Replace broken antique lockset with Mortise Lock Set for Interior Door🚪: Akrilane Mortise interior door lock set is an ideal replacement for old-style handleset with mortise lock and classic skeleton keys found in period homes. Perfect for 1-3/8" to 1-3/4" thick interior doors with a 2-3/8" backset. Add some modernity to your old-fashioned bedroom, bathroom, and other interior doors 🏰🔑 with stunning antique Knobs. Product Dimensions: 2-inch crystal doorknobs with 7-in x 2-1/4-in plates and 5-1/2 in x 7/8-in faceplates require a 9/16-in x 3-9/16-in mortised bore hole on the edge of the door 📏🚪. Quick and easy non-handed installation for left or right-handed interior doors. Simply flip over the locking tab 🔄. All mounting hardware, installation instructions, and an installation template are included. Just grab a few tools and you're good to go! 💯% Satisfaction Service: We take pride in offering the finest interior door lock to each and every customer. If you have any questions about the door handle, please don't hesitate to reach out to us (via Amazon) 🚪🔒. Replace broken antique lockset with Mortise Lock Set for Interior Door - Ideal replacement for old-style handleset with mortise lock and classic skeleton keys found in period homes. Perfect for 1-3/8" to 1-3/4" thick interior doors with a 2-3/8" backset. Stunning Crystal Glass or Iron Knobs. Product Dimensions: 2-inch crystal doorknobs with 7-in x 2-1/4-in escutcheon plates and 5-1/2 in x 7/8-in faceplates require a 9/16-in x 3-9/16-in mortised bore hole on the edge of the door.