The KROM-22RF10C26D is a grade 2, medium duty, satin chrome (C26D), passage (10) lever lockset with a round lever (R) and 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 1-3/8″ (35 mm) to 1-3/4″ (44 mm) and features a 2-3/4″ (70 mm) backset, a 1-1/8″ × 2-1/4″ latch front, and a solid brass latchbolt with a 1/2″ (12.7 mm) throw It comes with a standard ANSI (ASA) curved-lip strike. The product is backed by a five-year limited mechanical warranty.