Hook Bolt Mortise Lock, Weldable Steel Hook Lock for Sliding Gate, Double Cylinder, 1-1/8" Backset

- Designed for sliding gate. Easy installation and ready for welding. - Double cylinder hook lock, keys from both sides. 3 keys in each pack. KEYED ALIKE (KA) available for up to 6 locks. - Hook Bolt made of 5 ply laminated steel bolt with concealed hardened steel pin to provide the highest level of security. - Steel case with corrosion resistant plating. All parts are zinc plated for protection against corrosion. Aluminum faceplate. - Overall Measurement: 7" Length x 2" Wide x 1-3/4" Depth. Backset 1-1/8". For door thickness: 1-1/2" to 2"