Deadbolt Cylindrical Commercial Lockset Grade 1 Series B660 Lockset Finish Oil Rubbed Bronze Keyway Type C123 Key Type Different Standards ANSI A156.5 ADA Compliant Yes Lockset Fire Rating Not Rated Backset 2 3/4 in Ligature Resistant No Cylinder Double Faceplate Dimensions 1-1/8 in x 2-1/4 in For Door Thickness 1 5/8 in to 2 in Includes Hardware Material Brass/Steel/Zinc Number of Keys 2 Pins 6 Security Type Heavy-Duty Strike Square Corner Throw Length 1 in