6 Pcs Stud Screw Extractor Remover Set Broken Damaged Pipes Feat ures: *Brand new and high quality *Made of high quality material, and practical to use * [Material] steel treatment, high hardness, good toughness, wear-resistant and . *[Product Contents] Dimensions: full length 50mm, 60mm, 61mm, 65mm, 74mm, 83mm. A set of 6, different specifications, to meet various needs. *Wide ApplicationSuitable for stainless steel 8.8-12.9 grade bolts, no need to worry about damaging the screws or tools. *[hexagonal shank diameter design] stable support, high-speed rotation, uniform force, suitable for all kinds of electric drills. *[How to use the screw removal kit] The screw removal kit is a special tool for removing broken bolts, crushed screws and screw heads. It is suitable for hardwood and wooden table removal screws, broken screws and nuts. Screw removal kit for broken wood and machine screws, as well as damaged grub screws, hex screws, painted screws and damaged screws. Suitable for DIY, home and general construction/engineering, drill the holes, then reverse the licked bolts. You can easily remove the screws in just two steps. *Material: carbon steel Package includes: 1/set of hand tools Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.