Jimmy-Resistant Deadlock, Diecast, Brass Color, Angle Strike, Double CylinderThe Defender Security Painted Brass Jimmy Resistant Double Cylinder Entry Door Deadlock is designed to lock the door to the jamb to prevent forced entry. It is ideal for doors with glass panes or when located next to a glass side light. California residents see Prop 65 WARNINGS Used to prohibit forced entry by spreading of door frames Installs on doors from 1 3 8 in. to 2 3 8 in. thick Brass painted color Constructed of diecast All the necessary