Deadlatch Lockset Grade 2 Series B250 Lockset Finish Satin Chrome Standards ANSI/BHMA Certified A156.36-2010 Backset 2 3/8 in For Door Thickness 1 1/2 in to 1 3/4 in For Use With Slam Latch Applications Includes (2) Keys Cylinder Latch Strike Material Brass Strike Dim. 2 3/4 in Throw Length 3/4 in