ANSI Grade 2 cylindrical leverset are designed for use on all standard duty grade 2 light commercial and residential applications. Features Heavy Duty usage & Commercial Application. Clutch mechanism (vandal resistant) available on keyed function. Through-bolting construction. ASA Strike available. ANSI Grade 2 quality standard compliant with Grade 1 features. 6-pin tumbler cylinder for security. Limited or Full Lifetime Finish Warranty. All metal construction for strength: 25-year mechanical warranty. Available Latch: 2 3/8 (60mm) fixed, 2 3/4 (70mm) fixed with 3-hour U.L. fire latch. Fits 1 3/8 -1 3/4 (35mm-45mm) door thickness.