ITEM NAME:2Pcs Rotary Spot Weld Cutter Double Sided Drill Bit Remover Car Body Repair 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: 5/16'' (8mm), 3/8'' ( 9.5mm) - Length: Approx. 77mm/ 3.03inch - Color: As Pictures Shown Package Included: 1 Piece 5/16'' Rotary Spot Weld Cutter 1 Piece 3/8'' 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..1 Piece 5/16" Rotary Spot Weld Cutter. 1 Piece 3/8" Rotary Spot Weld Cutter. - Provides better panel separations than a panel cutter. - High strength and hardness. - Use: iron, cast iron, alloy steel, carbon steel, die steel.