lock for switch box/electric enclosure/fire hydrant box, ect. 1. material: zinc alloy; 2. finish all of the crafts in factory; 1. materia and finish: chrome plating ZDC housing, handle and button; zinc-plating steel cam and pressure-panel;2. the default cam;3. with univeral keys for each item locks; 4. usage: distribution box, network cabinet, switch box, junction box, fire hydrant box, outdoor ...