Heavy duty - lever style, grade 2 commercial keyed entry door lock with BumpStop®. brushed chrome finish. ASA Strike. 3-1/4 in Dia trim. Cylindrical construction for enhanced durability. Six pin Schlage C compatible cylinder standard - Can be special ordered to 24 different keyways. 2-3/4 in fixed backset latch. 3 hr UL listing. Removable thru-bolts. Clutch feature. Meets ANSI/BHMA A156.2, Grade 2 Standards. For exterior locking applications, Entry door. Box packaging, master carton quantity 8. Master Lock® Cylindrical Lever Lockset, Commercial Grade, Series: SLC, Heavy Duty Lockset Performance Strength, Lockset Function: Entrance, ASA Strike, 1-7/8 x 4-7/8 in Strike Dimension, Grade: 2, 2-3/4 in Backset, 6 Pins, 2 Keys, Different Keying, Schlage C Keyway, For Door Thickness: 1-3/8 to 1-3/4 in, Zinc/Steel Handle, Polished Chrome/Brushed