Specification: Item Type: Bolt Puller Material: Alloy Steel Unit: approx. 1 cm/3/8 in. Scope of application: 1/4in-1/2in (6mm-12mm) Material: Alloy Steel Heat Treated with Chrome Plated (CrMo) Applicable: Universal design for most drive tools Robustness: HRC40-45 Feature: Powerful practicality This bolt puller will help you more. The adjustable function makes it very lightweight and very popular, suitable for a wide range of 1/4" -1/2" wrenches. (6mm-12mm) Heavy duty alloy steel prevents damage and the three internal large claws are powerful enough to effectively remove damaged bolts from exhaust manifolds, fill plugs and other areas where they are needed. Update Tool The fast-paced pace of life drives people to seek greater efficiency at work, and updating tools is also synchronized. Our products are upgraded with a variety of sizes of extractors and heat-treated alloy steel and chrome plated to increase hardness and oxidation resistance, so this upgraded adjustable extractor will definitely eliminate your problems and help you get more happiness The same size as the palm You can grab it with one hand, it is small and does not take up too much space, allowing you to place more space yourself, anyone can use it, and the freely adjustable extractor is in the range of any size inside. Adjustable bolt puller saves valuable time and space. The small body, full of strength, is very useful for you and is definitely a good addition to your toolbox. Package List: 1x Bolt Puller