... TPR grip, aluminum die casting4) Joint part: Cast iron, Cast steel, mild carbon steel drop forgedWater pump plier: 1) Size: 8, 10, 12 ... : Polished, Grounded, Chrome plated, Nickel iron finished, Blacknickel plated, etc.Slip joint plier: 1) Size: 6, 8, 10"2) Material: Mild carbon steel ...