lock for switch box/electric enclosure/fire hydrant box, ect. 1. material: zinc alloy; 2. finish all of the crafts in factory; 1. materia ... plate;3. usage: distribution box, network cabinet, switch box, junction box, fire hydrant box, outdoor cabinet, telecom, vending machine, panel box.4. production ability: ... and process, seek for greater perfection. SC-04-A zinc ally panel industrial cabinet lock