6Pcs Double Head Set: This set includes 6 double head damaged screw extractor tools for daily fastener disassembly. Basic Function: Used for removing broken bolts and broken head screws during general maintenance and repair tasks. Manual Repair Tool: Designed as a common hand tool for routine household and workshop hardware maintenance. Color Note: Slight color difference may exist due to different monitor displays. Measurement Note: Manual measurement may have 1-3cm error, please confirm before ordering., Manufacturer: Ruxyoie88