PREMIUM MATERIAL: RAZCC passage door levers is made of heavy duty zinc alloy and metal. It is been designed with strength and durability, the door hardware is for a long time use. Contemporary square Matte Black design will fresh your home REVERSIBLE LEVER: Reversible handle design makes door lever handles can be installed on both left-handed and right-handed doors SPECIFICATION: This interior door handles fits all standard size door ( thickness of door: 1-3/8"to 1-3/4"(35mm-45mm) and adjustable latch: 2-3/8"or 2-3/4"(60mm or 70mm). The latch plate is non-detachable. Door knobs is come with a square strike plate, allows you to replace your existing one EASY INSTALLATION: All accessories come with door lever, including latch, strike plate, screws and instruction, simply grab a screwdriver and you can install it in minutes, convenient and save your time WIDE APPLICATION: Square passage lever is non-locking on both side and could turn lever to open the door. It can be used on hallway, closet doors and other interior doors requiring no locking functionality. Designed to completed both conventional and modern style interior doors for commercial and residential applications