Segal SE 15361 Deadbolt &ndash; Jimmy-Proof Design Prohibits Forced Entry by Spreading of Door Frames &ndash; Solid Bronze Alloy, Brushed Brass, Angle and FLAT Strike, Single Cylinder PROHIBIT FORCED ENTRY  Use our strong, durable SEGAL deadbolt, featuring a jimmy-proof design, to prohibit forced entry by spreading of door frames. DURABLE CONSTRUCTION  Constructed of solid high strength bronze alloy with a brushed bass finish, this single cylinder deadbolt is strong, high quality and durable, giving you peace of mind youll remain protected against intruders. EASY INSTALLATION  Installation is quick and easy and all fasteners and instructions are included. INSTALLATION NOTES - This deadbolt is a surface-mounted, cross-bolt locking device which can be mounted to 1-3/8 in. to 2-3/8 in. thick wood or metal doors. INCLUDES - This original SEGAL brand deadbolt includes an angle strike and a FLAT strike, a rim cylinder, 2 keys (keyed different), a cylinder trim ring, fasteners, a mounting plate, instructions and a tamper-resistant shutter guard.