lock for switch box/electric enclosure/fire hydrant box, ect. 1. material: zinc alloy; 2. finish all of the crafts in factory; 1. ... plate;3. usage: distribution box, network cabinet, switch box, junction box, fire hydrant box, outdoor cabinet, telecom, vending machine, panel box.4 ... management to each coin and process, seek for greater perfection. zinc alloy plane industrial cabinet lock SC-06-A