... TPR grip, aluminum die casting4) Joint part: Cast iron, Cast steel, mild carbon steel drop forgedWater pump plier: 1) Size: 8, 10 ... , D4 etc meet ANSI or DIN standard.4) Surface finishing: Polished, Grounded, Chrome plated, Nickel iron finished, Blacknickel plated, etc.Slip joint plier ... color box, and plastic showing case Bolt Cutter, Water Pump Plier & Slip Joint Plier