Features 1、CARBON STEEL: This screw extractor kit is forged from premium carbon steel material, quenched for high hardness and good impact toughness. 2、CLEAR THREAD: The tap twister and screw extractor have clear tooth thread, which can easily unscrew the screw, not easy to jam, convenient and fast. 3、EASY OPERATION: Adjustable tap wrench with longer handle and greater leverage for holding larger taps and open space tap wrenches with room to turn. 4、STANDARD DESIGN: Adopt standard thread spacing design, clear and tidy, the use range is 3mm-19mm, to maintain the stability of normal thread work. 5、APPLICABLE SCENES: Suitable for wood screws, iron screws, steel screws, water pipes, etc. of different strengths, and has a wide range of applications. Specification Item Type: Screw Extractor Set Material: Carbon Steel Use Range: 3-19mm / 0.1-0.7in Tap Twister Range: M1-M12 Application: Ideal for removing damaged, rusted or peeling screws, studs, bolts, fasteners, metal faucets and water pipes, etc. Package List 1 x Tap Twister 5 x Damaged Screw Extractor 1 x Screw Extractor Box