Townsteel CSRC Commercial Lever Lock. Grade 2 hardware and ADA compliant. Non handed and fits doors 1 3/8" to 2" thick. Stainless steel 1/2" throw 2 3/4" backset latch. Through bolts above and below lock chassis to prevent lock from twisting in door. Locking functions feature 6 pin Schlage C keyway cylinders and clutch function that keeps lever from being forced. Includes ASA strike plate, mounting hardware, installation template and instructions. Please specify function: Passage with no locking, Privacy for restrooms, Entry with locking button on inside or Storeroom that is always locked. Please specify finish: US26D Satin Aluminum or US10B Dark Bronze.