Insulated screwdriver set The handle is provided with non-slip soft adhesive The knife rod is made of no. 45 steel and coated with insulating plastic Product size 3 x75mm + - 4 x100mm + - 5 x125mm 6 x150mm + - Dual - purpose test PE Packing number: 48pcs Packing: in bags Quantity is better than price.Pl