Packing: 4 PCS/inner carton, 72 PCS/carton carton size: 55 cm long X 34 cm X 54 cm high, wide carton gross weight/net weight:20/18 kg of 8-1/2 ", is made of 45 # carbon steel, heat treatment, tong head black plastic spraying and handle in red plastic handle.• hold the handle of the clip, not the head, so the clip is Can't be destroyed. • leverage makes action faster and easier to remove. • work on trim pad, insulation cover.