... metal cutting and polishing, and finally heat treatment.3 The plastic pipe pressure insulation pliers above 500V, it can be charged ... ,they should avoid being thrown,so as not to damage plastic pipe insulation.4 Color:yellow,red, green,and so on ... Blister Card, Color Box(6pcs or 1 pcs), Double Blister,Plastic Hanging Card4 Port of shipment:Shanghai/Lianyungang/Qingdao/Ningbo After-sales ...