Features: Made from HSS Co, high hardness and durable.Great for removing welding spot on automotive iron sheets;This spot weld drill bit is strong strength and durable to use.HSSCO drill bit has wide range of uses, easy to carry, fine workmanship;It is a good helper for car maintenance;Specifications: Material:HSS CoOption Type:8mm/0.31in Drill Bit;6mm/0.24in Drill Bit;8mm Drill Bit Size:Approx.7.9x0.8cm/3.11x0.31in6mm Drill Bit Size:Approx.6.5x0.6cm/2.56x0.24inPackage Includes: 1xSpot Weld Drill Bitnote: Please allow 12cm errors due to manual measurement,please make sure that you do not mind before you order.Due to the difference between different monitors, the picture may not reflect the actual color of the item.