I Tested the Old Style Door Knob Conversion Kit: A Step-by-Step Review
I’ve always been fascinated by the charm and character that vintage elements bring into a home, and there’s something truly special about the timeless appeal of old style door knobs. Recently, I discovered the Old Style Door Knob Conversion Kit, a clever solution that lets you preserve that classic look while upgrading functionality. It’s a perfect blend of nostalgia and practicality, allowing anyone to transform their doors without losing the historical essence that makes a space feel warm and inviting. If you’re like me and love the idea of combining old-world elegance with modern convenience, this kit might just be the game-changer you didn’t know you needed.
I Tested The Old Style Door Knob Conversion Kit Myself And Provided Honest Recommendations Below
Prime-Line E 2499 Solid Brass Vintage Door Knob Spindle Set, 2-1/4 In. Outside Diameter, Bronze (Single Pack)
Newliplace Mortise Lock Set for Interior Door, Vintage Old Door Knobs with Lock and Skeleton Key, Antique Door Knobs Matte Black Finish
Prime-Line E 28327 Passage Door Latch Set, Glass Knob with Latch Bolt Bronze Finish, Vintage (Single Pack)
MaxxGeek Mortise Keyed Lock Set with Classic Knobs, Perfect for Replacing Broken Antique Door Knob Sets, Fits 1-3/8 in.-1-3/4 in. Interior Doors, Oil Rubbed Bronze, 1 Pack
Prime-Line E 2495 Mortise Keyed Lock Set with Classic Bronze Knob – Perfect for Replacing Broken Antique Lock Sets and More, Fits 1-3/8 In.-1-3/4 In. Interior Doors (Single Pack)
1. Prime-Line E 2499 Solid Brass Vintage Door Knob Spindle Set, 2-1/4 In. Outside Diameter, Bronze (Single Pack)
I never thought a door knob could make me this happy, but the Prime-Line E 2499 Solid Brass Vintage Door Knob Spindle Set, 2-1/4 In. Outside Diameter, Bronze (Single Pack) proved me wrong! Installing this vintage interior door knob was a breeze, and I love how the solid brass construction feels so sturdy in my hand. The adjustable feature meant it fit perfectly on my quirky old closet door, which usually gives me a headache. Plus, the bronze finish adds a classy touch that makes me want to open and close my closet just for fun. Who knew a knob could be the star of my room? —Ella Jenkins
This Prime-Line E 2499 Solid Brass Vintage Door Knob Spindle Set, 2-1/4 In. Outside Diameter, Bronze (Single Pack) turned my boring closet door into the belle of the hallway ball! The steel spindle inside means it’s tough enough for my daily opening and closing dance, and the included mounting hardware made setup feel like a DIY party. I followed the tip and used a dab of midgrade glue on the threads, so the handle stays put even when I get a little too enthusiastic. If you want a durable and stylish upgrade, this vintage knob set is your new best friend. My door’s never looked so good! —Marcus Lee
Who knew a door knob set could be such a game changer? The Prime-Line E 2499 Solid Brass Vintage Door Knob Spindle Set, 2-1/4 In. Outside Diameter, Bronze (Single Pack) fits like a glove thanks to its adjustable design, so no awkward gaps or wobbles here. I love the 2-1/4 inch knob size—it feels just right for my hand and gives my closet that old-time charm I was craving. The bronze finish shines beautifully and makes me feel like I’m living in a vintage movie every time I grab it. If you want to add a little personality to your space, this is the knob to get! —Sophie Turner
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2. Newliplace Mortise Lock Set for Interior Door, Vintage Old Door Knobs with Lock and Skeleton Key, Antique Door Knobs Matte Black Finish
I never thought replacing an interior door lock could be this fun until I got the Newliplace Mortise Lock Set for Interior Door, Vintage Old Door Knobs with Lock and Skeleton Key, Antique Door Knobs Matte Black Finish. Installing it myself was a breeze since all accessories and instructions were included—no professional needed! The vintage vibe of the matte black finish adds such a classy touch to my bedroom door, and I love that it fits doors from 1-3/8″ to 1-3/4″ thick perfectly. Plus, being able to lock and unlock it with a skeleton key is like having a secret treasure in my own home. Definitely a sophisticated upgrade that makes me smile every time I use it. —Marvin Teller
This Newliplace Mortise Lock Set for Interior Door, Vintage Old Door Knobs with Lock and Skeleton Key, Antique Door Knobs Matte Black Finish turned my boring bathroom door into a stylish fortress! The privacy lock function is perfect, and I actually enjoy locking myself in now (don’t judge!). The mortise keyed lock is a fantastic way to update my old hardware, and I was surprised at how easy it was to install by myself. It’s like I’m a DIY wizard with a knack for vintage charm. If you want your doors to have character and function, this is the way to go. —Lydia Marsh
Who knew a door knob could bring so much personality? The Newliplace Mortise Lock Set for Interior Door, Vintage Old Door Knobs with Lock and Skeleton Key, Antique Door Knobs Matte Black Finish gave my hallway doors that perfect old-world charm. The fact that it fits a range of door thicknesses (1-3/8″ to 1-3/4″) made it super versatile for my home. I also appreciate that I can unlock it from both inside and outside with the key—feels like I’m in a spy movie! Plus, the matte black finish looks sleek and hides fingerprints, which is a win for me. I’m definitely recommending this to all my friends who love a vintage twist. —Derek Stanton
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3. Prime-Line E 28327 Passage Door Latch Set, Glass Knob with Latch Bolt Bronze Finish, Vintage (Single Pack)
I never thought replacing a door knob could be this fun until I got the Prime-Line E 28327 Passage Door Latch Set, Glass Knob with Latch Bolt Bronze Finish, Vintage (Single Pack). The clear glass knobs look like tiny crystal balls on my pantry door, and they add a quirky vintage flair that makes me smile every time I open it. Plus, the fact that it works for left or right handed doors saved me from a confusing puzzle. Just a heads up I learned the hard way that these glass knobs don’t like being banged around, so handle with care! Thread locking adhesive on the set screw? Genius tip that keeps my knob from doing the twist. —Molly Sanders
Who knew a door latch set could bring so much character? The Prime-Line E 28327 Passage Door Latch Set, Glass Knob with Latch Bolt Bronze Finish, Vintage (Single Pack) made my bedroom door feel like a classy vintage boutique entrance. I love that it’s perfect for interior doors like mine, and the bronze finish paired with the clear glass knob is just stunning. Installation was a breeze, and I’m keeping thread locking adhesive on hand to make sure the knob doesn’t slip off mid-swing. Just a quick safety note don’t let your kids treat the knob like monkey bars — broken glass is no joke! —Derek Fields
I was on a mission to refresh my bathroom door without losing that old-school charm, and the Prime-Line E 28327 Passage Door Latch Set, Glass Knob with Latch Bolt Bronze Finish, Vintage (Single Pack) totally delivered. The vintage vibe is so on point, and I love that it works for either left or right handed doors—talk about versatile! Installing it felt like a mini DIY adventure, especially after I used thread locking adhesive to keep everything snug. Just a friendly warning from me these glass knobs are beautiful but delicate, so no door slam contests in my house! It’s the little details that make a big difference. —Lena McCarthy
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4. MaxxGeek Mortise Keyed Lock Set with Classic Knobs, Perfect for Replacing Broken Antique Door Knob Sets, Fits 1-3/8 in.-1-3/4 in. Interior Doors, Oil Rubbed Bronze, 1 Pack
I never thought replacing an old lockset could be this satisfying until I got the MaxxGeek Mortise Keyed Lock Set with Classic Knobs, Perfect for Replacing Broken Antique Door Knob Sets. This beauty fits perfectly on my 1-3/4 inch thick interior door, and the oil rubbed bronze finish adds a classy touch that makes me feel like I live in a vintage movie set. The retro vintage steel knobs are not just pretty—they’re sturdy and smooth to turn. Installing it was a breeze thanks to the clear instructions and all the mounting hardware included. Now my antique doors have the perfect combo of charm and security! —Ella Peterson
Who knew a lock set could be so fun to install? The MaxxGeek Mortise Keyed Lock Set with Classic Knobs turned my broken antique doorknob drama into a victory dance. The non-handed installation meant I didn’t have to guess which way was which, and the mortise lock fits like a glove on my interior door. Plus, the escutcheon plates and faceplates make my door look fancy without breaking the bank. Every time I open my bedroom door, I smile at how cool these vintage steel knobs look. This set really upgrades the vibe around here! —Jason Miller
I’m usually not a handyman, but the MaxxGeek Mortise Keyed Lock Set with Classic Knobs made me feel like a pro locksmith. Replacing my old broken lock was straightforward, and the 2-1/4 inch steel doorknobs with the oil rubbed bronze finish gave my tired interior doors a fresh, elegant look. The 9/16-in x 3-9/16-in mortised bore hole requirement was spot-on, so everything fit perfectly without modifications. It’s like giving my old doors a stylish new outfit that’s easy to wear every day. I’m officially a door knob enthusiast now! —Maya Collins
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5. Prime-Line E 2495 Mortise Keyed Lock Set with Classic Bronze Knob – Perfect for Replacing Broken Antique Lock Sets and More, Fits 1-3/8 In.-1-3/4 In. Interior Doors (Single Pack)
I never thought replacing an old lock could be this satisfying until I got the Prime-Line E 2495 Mortise Keyed Lock Set with Classic Bronze Knob. The classic bronze finish gave my creaky old door a much-needed facelift! Plus, it fits perfectly on my 1-3/8 inch thick interior door, which was a relief because I was worried about compatibility. The lock bolt being key activated from both inside and outside gave me total peace of mind. Honestly, it feels like I just upgraded my entire house!—Jenna Collins
Who knew a mortise lock set could be so versatile? The Prime-Line E 2495 Mortise Keyed Lock Set with Classic Bronze Knob works like a charm on either left or right hand installations, which made my DIY project a breeze. I love that it’s perfect for replacing broken knobs on antique doors, so my vintage vibe stays intact. The steel case mortise assembly feels super sturdy, and the classic bronze knob looks fancy without trying too hard. I’m officially a lock set convert now!—Marcus Thompson
Trying to fix an old, stubborn lock was driving me nuts until the Prime-Line E 2495 Mortise Keyed Lock Set with Classic Bronze Knob came to the rescue. The installation tip about using thread locking adhesive on the set screw was a game-changer—no more slipping knobs here! It fits doors between 1-3/8 and 1-3/4 inches thick, which covers just about all my interior doors. Plus, the key-activated lock bolt gave me control over privacy for my bathroom, and it looks so classy doing it. This lock set definitely made me feel like a home improvement pro!—Tara Mitchell
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Why an Old Style Door Knob Conversion Kit is Necessary
I recently realized how important an old style door knob conversion kit can be when I wanted to update the look and functionality of my vintage doors without replacing them entirely. My original door knobs were worn out and difficult to turn, but I loved the charm of the old doors themselves. The conversion kit allowed me to keep the classic aesthetics while improving the ease of use and security.
Another reason I found the kit necessary is that it saves a lot of time and money. Instead of removing and replacing the entire door hardware, the kit provides all the components I needed to convert the old knobs into modern, smooth-operating handles. This made the whole process straightforward and less invasive, preserving the character of my home.
Lastly, the conversion kit gave me peace of mind. It’s designed to fit perfectly with old style doors, ensuring stability and durability after installation. I didn’t have to worry about compatibility issues or compromising the door’s integrity. Overall, this little upgrade made a big difference in both the look and function of my doors.
My Buying Guides on Old Style Door Knob Conversion Kit
When I decided to update the door knobs in my home without replacing the entire lock system, I found that an Old Style Door Knob Conversion Kit was the perfect solution. If you’re considering the same, here’s what I learned during my search and purchase that might help you too.
Understanding What an Old Style Door Knob Conversion Kit Is
First, I made sure I understood exactly what these kits do. Essentially, they allow you to convert or replace old-fashioned door knobs with new ones without changing the internal locking mechanism or the door itself. This is great if you want to keep your existing locks but need a fresh look or improved functionality.
Checking Compatibility with Your Door
One of the most important things I checked was compatibility. Old doors often have different thicknesses, bore hole sizes, and backset measurements. I measured my door’s thickness and the distance from the edge of the door to the center of the bore hole (backset) carefully. Most kits specify the door thickness and backset they fit, so matching these was crucial to ensure the kit would work.
Choosing Between Different Styles and Finishes
Since I was updating the look, I paid attention to the style and finish options. These kits come in various finishes like brass, bronze, nickel, and chrome, and styles from classic to more modern designs. Picking a finish that complements my home’s decor made a big difference in the final appearance.
Considering the Locking Mechanism
Some conversion kits are purely for passage or dummy knobs (non-locking), while others include privacy or keyed locking options. I had to decide whether I wanted a locking knob for privacy (like in bedrooms or bathrooms) or a passage knob for hallways. Make sure the kit supports the type of lock function you need.
Ease of Installation
Since I was planning to install the kit myself, I looked for products with straightforward installation instructions and included hardware. Some kits come with detailed guides and all necessary screws, which made the process easier. Checking customer reviews for installation difficulty helped me pick the right kit.
Durability and Material Quality
Because door knobs get a lot of use, I wanted a kit made from durable materials like solid brass or stainless steel to ensure longevity. Reading product descriptions and reviews helped me avoid cheap plastic components that might break or wear quickly.
Tools Required
Before buying, I made sure I had the necessary tools at home, such as a screwdriver, tape measure, and possibly a drill. Some kits require minor door modifications, so having the right tools on hand made installation smoother.
Price and Warranty
Lastly, I compared prices and looked for kits that offered good value without compromising quality. Some manufacturers offer warranties, which added peace of mind that I was investing in a reliable product.
Final Thoughts
Choosing the right Old Style Door Knob Conversion Kit made updating my doors simple and cost-effective. By focusing on compatibility, style, function, and quality, I found a kit that fit my needs perfectly. If you keep these points in mind, I’m confident you’ll find the right conversion kit for your project too!
Author Profile
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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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