Feature: 1. Clear Scale: The metal screw extractor has high visibility laser etched scales for quick user identification and access. 2. Chrome Molybdenum Steel: The screw extractor is made of high hardness chromium molybdenum steel, which is wear resistant, non deformable and durable. 3. Hex Head: The screw extractor has a hex head designed primarily for applying maximum torsion using sockets and wrenches. 4. Left Spiral Design: The screw extractor's left screw design provides extra gripping power and faster threading speed, making your work faster and easier. 5. Storage Box: The screw extractor set comes with a plastic case for storage, which is easy for you to access and not easy to lose. Specification: Item Type: Damaged Screw Extractor Kit Material: Chrome Molybdenum Steel. Package List: 25 x Damaged Screw Extractor1 x Storage Box Note: Open the package and take it out for use