Description: Material: The screw extractor kit is made of chrome molybdenum steel, which is strong and wear resistant, with high hardness and high temperature resistance. It can be used for a long time and is not easy to damageSpecial Design: Broken head screw remover kit is designed to solve problems such as stripped screws, broken screws, and damaged screws. It adopts a socket design, which is simple and practical, making pipeline repair easierEfficiency: The screw extractor set comes with 7 accessories of different sizes and the accessories are numbered to meet your different needs and improve work efficiencyScenario: Damaged screw removers adopt a square interface: of 12.5 mm/1/2 inch, suitable for manual wrenches, you can use it in the home, pipeline repair, and other scenariosEasy to Operate: The broken wire extractor is easy to use, compact in size, easy to carry and store, and users can easily use it without professional skills, saving time and effort Specification: Material: Chrome Molybdenum Steel Size Chart: Box size 26 cmx13 cmx5 cm/10.24 inchx5.12 inchx1.97 inchBroken wire extractor length 7.8 cm/3.07 inchV1 handle diameter 3 mm to 6 mm/0.12 inch to 0.24 inchV2 handle diameter 5 mm to 8 mm/0.20 inch to 0.31 inchV3 handle diameter 7 mm to 9 mm/0.28 inch to 0.35 inchV4 handle diameter 8 mm to 11 mm/0.31 inch to 0.43 inchV5 handle diameter 9 mm to 12 mm/0.35 inch to 0.47 inchV6 handle diameter 1.1 cm to 1.4 cm/0.43 inch to 0.55 inchV7 handle diameter 1.2 cm to 1.5 cm/0.47 inch to 0.59 inch Package Includes: 1 Screw Extractor Kit Note: Please allow slightly errors due to manual measurement and different monitors.