Antique Interior Door Knobs Mortise Lock Set with Skeleton Key

In this review of the Antique Interior Door Knobs Mortise Lock Set with Skeleton Key, the bottom line is simple: this is a practical, period-correct replacement for vintage interior doors that need a working locking mechanism. It is aimed at homeowners restoring older houses or anyone wanting to keep an original look while adding a functional lock. The most compelling reason to buy is the complete, DIY-ready package that includes trim plates, a mortise lock body and skeleton keys, letting users replace broken antique hardware without reshaping the door.

Key Features

• Perfect Replacement: The clear, solid knob provides a sophisticated vintage look and matches many antique interiors for an authentic restoration.
• Door Fit: Designed to fit 1-3/8' to 1-3/4' thick interior doors, it works well on standard bathroom and bedroom doors that require a locking mechanism.
• Backset Compatibility: Made for a 2-3/8' backset, the mortise lock aligns with common vintage door preparations to avoid major door modification.
• Reversible Latch: The steel case mortise assembly allows left or right hand installation by reversing the latch bolt, simplifying installation on either swing direction.
• Complete Kit: The set ships with two trim plates, two knobs, a mortise lock body, two skeleton keys, a square spindle, a strike plate and screws so you can install it yourself.
• Key-Activated Security: The skeleton key lock bolt permits locking from either side in the traditional style used on vintage interior doors, adding period-accurate privacy and security.

Who It's For

This set is best for homeowners, restorers, and DIYers who need to replace broken antique knobs or want to maintain a vintage aesthetic on interior doors. It suits bathroom, bedroom, and other interior doors prepared for a mortise lock with a 2-3/8' backset and matching screw spacing.

It is not intended for heavy exterior security use or for doors outside the specified thickness range; customers needing high-security modern locks or unusual backset and screw patterns should look for a different product that matches those specifications.

Pros & Cons

Pros

• Complete hardware kit reduces the need to source parts separately and simplifies DIY installation.
• Authentic skeleton key locking mechanism preserves vintage appearance and function.
• Reversible latch and steel case mortise assembly allow flexibility for left or right hand doors.
• Clear, solid knobs provide a refined, period-correct look that enhances interior decor.

Cons

• Limited to interior doors 1-3/8' to 1-3/4' thick and a 2-3/8' backset, so doors outside these specs will require alternative hardware.
• Internal mortise parts are spring-loaded and require care during disassembly to avoid losing small components.

Specifications

Product type	Mortise lock set with skeleton key
Door thickness	Fits 1-3/8' to 1-3/4'
Backset	2-3/8'
Included components	2 trim plates, 2 knobs, mortise lock body, 2 skeleton keys, square spindle, strike plate, screw pack
Latch	Reversible latch for left or right installation
Faceplate screw spacing	Lock faceplate holes spaced 4-3/4', trim plate holes spaced 5-7/8'

Our Verdict

For anyone restoring interior doors or replacing broken antique knobs, this mortise lock set delivers authentic style and practical function at a good value. The complete kit and reversible latch make installation manageable for a competent DIYer, while the skeleton key lock preserves period character. Check door thickness and backset first, but for compatible doors this is a sensible, cost-effective way to keep original hardware and avoid costly door replacement.

Frequently Asked Questions

Will this fit my interior door?
It fits doors 1-3/8' to 1-3/4' thick with a 2-3/8' backset; compare your existing screw spacing and backset before ordering.

Can it be installed left or right handed?
Yes, the latch is reversible and the steel mortise assembly supports left or right hand installation when the latch bolt is reversed.

Does it include keys and installation parts?
Yes, the set includes two skeleton keys, a square spindle, strike plate, trim plates and a screw pack for DIY installation.