Mata Obeng Ketok Set - - Impact Driver Bits S2 Material 138-73M (+) PH3x80mmPanjang 80 mmDiameter Hexagon 8mmProduct Features:- High Grade S2 Material.- Copper finish to ensure the greater corrosion protection.- Heavy Duty, high torque use.- Guaranteed satisfaction.Made from S2 material with soft finished and covered with magnetJIS (Japanese Industrial Standard)