Turnbolt Deadbolt, Cylindrical, Commercial, Industrial, Institutional, Residential, Lockset Grade 2, Series QDB2, Lockset Finish Satin Nickel, Keyway Type None, Key Type Not Keyed, Standards ANSI, UL Listed, Yes, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature No, Cylinder Double, Faceplate Dimensions 1-1/8 in x 2-1/4 in, For Door Thickness 1 3/4 in, For Use With Various Door Types, Includes Deadbolt, Latch, Strike, Material Brass/Steel/Zinc, Number of Keys 0, Pins 0