The KROM-11LF72C26D is a grade 1, heavy duty, satin chrome (C26D), classroom double (72) lever lockset with a flat rose (F). It is UL/cUL Listed, UL 10C fire rated for up to 3 hours, and ADA compliant. It is designed for door thicknesses from 1-5/8″ (41 mm) to 1-3/4″ (44 mm) and features a standard 2-3/4″ (70 mm) backset. The lockset includes a 1-1/8″ × 2-1/4″ latch front and a stainless steel latchbolt with a 17/32″ (13.5 mm) throw, along with a standard ANSI (ASA) curved-lip strike. It is equipped with a precision solid brass pin-tumbler cylinder, supplied with two nickel plated brass keys, and uses a Schlage C keyway. The product is backed by a seven-year limited mechanical warranty.