For locking systems in electrical engineering, the supply of gas and water, air conditioning and ventilation systems
Includes the following keys: (4) square nut - 13/64-in, 15/64-in, 9/32-in to 5/16-in, and 23/64-in to 25/64-in, (3) triangular nut - 9/32-in, 5/16-in to 23/64-in, and 25/64-in to 7/16-in, (1) dual bit - 1/8-in to 13/64-in and (1) half moon - 15/64-in
Includes detachable chain and snap hook