SpecificationsThe locking mechanism is composed of a night latch and 3 industrial grade deadbolts with 3 key-turns for maximum securityThe night latch can draw backwards with the hook plateDouble cylinder mechanism: one on the face plate of the lock and the other to operate the lock from the other side of the door.Maximum resistance to lockpicking, prying, cutting and sawing when installed properly (recommended to be installed on the inside surface of the door that requires securityVariantsFor left-hand doors 1-3/8'' thick: Recommended for doors up to 1-38'' thick opening to the left when standing outsideFor right-hand doors 1-3/8'' thick: Recommended for doors 1-38'' thick opening to the right when standing outsideFor left-hand doors 1-3/8'' to 4'' thick: Recommended for doors from 1-38'' to 4'' thick opening to the left when standing outsideFor right-hand doors 1-3/8'' to 4'' thick: Recommended for doors from1-38'' to 4'' thick opening to the right when standing outsideUsesThe lock can be installed or welded on the surface of swinging doorsIt can be used to secure swinging gates and doors MaterialsGray painted steel bodyTwo nickel plated steel barsBrass cylinder body and keys Includes1 lock with 1 strike plate3 1310 keys1 Adjustable Cylinder (When purchasing either the "For left-hand doors 1-3/8'' to 4'' thick" variant or "For right-hand doors 1-3/8'' to 4'' thick")Fastening components