Features 25 PCS SET: The kit contains 25 pcs screw extractors in different specification, which could meet your various disassembly needs. HIGH HARDNESS: The screw extractor is made of high hardness cr mo steel, which is hard wearing, non deformable, and long lasting. CLEAR MARKING: The surface of the screw remover has laser etched, allowing you to quickly identify the required specifications. HEX HEAD: The screw removal tool has a hex head, mainly used to apply maximum torsion using sockets and wrenches. LEFT SPIRAL DESIGN: The left spiral design provides additional grip strength and faster thread speed, making your work faster and easier. Specification: Item Type: Screw Extractor Material: Cr Mo Steel Package List:25 x Screw Extractor1 x Storage Box Package List 25 x Screw Extractor 1 x Storage Box