1. components: ZDC housing, handle and button; steel cam; pressure-panel; 2. packing: 20pcs per ... box; 1. materia and finish: chrome plating ZDC housing, handle and button; zinc-plating steel cam and pressure-panel;2 ... locks; 4. usage: distribution box, network cabinet, switch box, junction box, fire hydrant box, outdoor cabinet, telecom, vending machine, panel box.5 ...