Description: Suitable for Cast iron and other difficult to process metal materials. Provides better panel separations than a panel cutter. High strength and hardness. Durable in use. Use: iron, cast iron, alloy steel, carbon steel, die steel. Specification: Material: Stainless Steel Hex Shank Diameter: Approx. 7mm/ 0.28inch Cutter Diameter: 3/8'' ( 9.5mm) Length: Approx. 77mm/ 3.03inch Color: As Pictures Shown Package Includes: 1 Piece Rotary Spot Weld Cutter Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test