Features 1.Designed to remove broken head sliding screws and accessories. The design helps you grab and remove the screws accurately and easily. Suitable for with the joint or chuck an electric power tool, and suit for remove the screw or bad nut screw on a hard wood. 2.Easy?pull spiral groove is embedded in itself to increase resistance. 3.These screw extractor tools are very easy to use, just in few steps you get the job done. Using a suitable size screw remover to drill a hole with cutting size and easy to extract the screw or bolt using extractor tool. 4.Striped screw extractor removes even the most stubborn stripped, damaged, embedded, rusted and painted?over screws and bolts. 5.The material is harder and more durable than most screw extractors in market, the hardness and the durability are better than others. Specifications: Name: Black plastic boxed wood screw extractor (screw-type) Surface treatment: Nickel Quantity: 1 set (5 pcs) Material: HSS 4241 (HSS 4241) Specifications: 0 , 1 , 2 , 3 , 4 Handle: hex shank 1/4 (6.35mm) Characteristics: screw-type head grip stronger, easier to use Uses: Suitable for with the joint or chuck an electric power tool, and suit for remove the screw or bad nut screw on a hard wood. Package includes: 1 Set Drill Bits