Finding an exact match for an old lock is not always possible, as only a limited amount of sizes are now made.
Drop In Locks with 3/4" backset, are authentic replacements for furniture made in the 1900's. Use on drawers and doors hinged on the right. Designed to drop into a pocket cut by a router or machine. Once installed lock should fit tightly. It will be encased with wood on both sides only selvedge edge will show.
This is a very reasonably priced lock, as such: locking mechanism is average, not as smooth as finer made brass locks, yet is serviceable. Made in Asia.
Keyhole location measurement is critical. Replacement lock-keyhole-location must match location of keyhole in furniture.
To measure: easiest to measure old lock, if you have it:
For help measuring and selecting full mortise locks, we recommend reading: How to select, measure and install full mortise cabinet locks.
Fit perfectly after minor adjustment on my furniture...(music cabinet for sheet music)