Detailed Product Description Jimmy Proof Deadbolt LockFeathers:*Double cylinders, single cylinder and self-locking performance. * Good guard against theft, high security. Material: BrassFinishes: US10, US3, US4, US26DKeyway: SEIBacksets: 2-3/8"(60mm)Door Thickness: 1-3/8"2-3/16"(35mm-55mm) is supplied as standard, lock suitable for 30mm-60mm door thickness is also available upon require.Strike: * ...