The left-hand drill is made of reinforced high-speed steel material, which can improve durability and service life. The screw puller has strong wear resistance and clear chip removal. High speed steel is harder and tougher, and it is easier to drill, turn and remove damaged screws or bolts. Equipped with portable storage box, it can provide excellent protection to prevent the screw extractor from being lost. Bolt extractor can remove damaged screws, whether it works on wood or metal, it is an perfect choice for building, automobile, DIY project or industrial use. Broken bolt extractor kit is used to remove stuck, broken or tightened tools. Removing bolt remover and extractor can easily remove damaged screws, studs, bolts and other accessories. Name:screw extractor set Quantity:10pcs/set Colour:As Shown Material:steel Package Contents: 5 * Left-hand drill bit 5 * broken wire extractor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.