Features Clear Scale: The metal screw extractor features a high-visibility laser-etched scale for quick identification and access by the user. Chrome Molybdenum Steel: Each industrial grade extractor is constructed from durable chrome molybdenum steel that is hardwearing, non-deformable and durable, with aggressive faceted teeth that are left-handed for extra clamping force and faster thread. With Hex Head: The screw puller has a precision engineered and precision machined hex head, designed primarily for maximum torque application with sockets and wrenches. Left Spiral Design: The left-hand thread design of the screw extractor provides extra gripping force and faster threading speed, making your work faster and easier. Storage Box: Our screw extractor kit comes with a durable and convenient storage box, which is convenient for you to access and not easy to lose. It's perfect for use in the home, garage, construction site or shop. Specification: Item Type: Screw Extractor Material: Chromium Molybdenum Steel Package List:25 x Screw Extractor 1 x Conversion Rod1 x Socket1 x Storage Box Package List 25 x Screw Extractor 1 x Conversion Rod 1 x Socket 1 x Storage Box