ITEM NAME:3pcs 6.5mm 8mm 10mm HSS CO Rotary Spot Weld Cutter Sawtooth Point Drill Bit Product Description Description: Features: 1. Excellent material, strong and durable 2. Fine workmanship, no burr 3. Wide use, convenient to carry Specifications: Effect: remove sheet metal solder joints Material: HSS co cobalt containing material Surface: titanium plating Specification: 1 / 4 (6.5mm), 5 / 16 (8mm), 3 / 8 (10mm) Length: 45mm/1.77" Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 3 XÂ Drill Bits.Material: HSS co cobalt containing material. Specification: 1 / 4 (6.5mm), 5 / 16 (8mm), 3 / 8 (10mm). Surface: titanium plating. Included: 3 X Drill Bits. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.