Cylindrical lever lock HLC650A Cylindrical lock/ handle lock / multi-functional security door lock - HUAFULE 1. entrance, privacy, passage and storeroom available in all stylish finishing. 2. fit all standard doors from 1-3/8'' to1-3/4'' (35mm to 45mm) thickness ,Also can fit 2'' (50mm) doors upon request. 3. adjustable latch with 2-3/8'' or 2-3/4'' (60mm or 70mm) backset. 4.2-way, 4-wayand 6-way latch are all available. 5. Radius or square corner strikes and latches. We are profession producer in manufacture of lock, with more than 15 years experience. you can chocie our current design, and can also provide your design for us processing. we do OEM for many famouse company with very rich experience. look forward to your suggestion at any time.