Screw Extractor Set Hex Head Multi-Spline Easy Out Bolt Extractor, 13-Pieces ???CR-V Center Punch: Center punches are important when it comes to marking an accurate drilling location.Find the location accurately to avoid the drill bit from slipping! Align the tip of this metal hole punch on a variety of hard surfaces to create center holes for fasteners. ???Easy Out Bolt Extractor Set: Broken bolt extractor kit can helps faster removing broken studs, bolts, socket screws, and fittings. ???Multi-Purpose: Bolt Screw remover that remove broken screws, whether working on wood or metal, are ideal for construction, automotive, home DIY projects or for industrial use. ???HIGH 6543 Material: The left hand bit is made from 6543 cobalt reinforced HSS material for added durability and longevity. This screw extractor has high wear resistance and clear chip removal. Compared to other materials, HSS is harder and tougher, making it easier to drill, turn and remove damaged screws or bolts. ???TacoBey provides 7*24 hours customer after-sales support and one year warranty! If you have any questions, please feel free to contact us via Amazon.