Features: Effortlessly remove damaged, rusted, or rounded bolts with 5 Piece extractors Socket Set, crafted from steel for largest grip and corrosion resistance. spirals rifled inner wall and plums shaped thread design deliver superior torques to strips seized fasteners, while four socket size (17 22mm) adapt to various nut with black bronze coated surfaces for wear resistance. Essential for automotive technicians, mechanics, and DIY enthusiasts tackling stripped wheel lug nut during tire changes or repairing industrial equipment with stubborn fasteners. Optimized for vehicle maintenance scenario like removing corroded wheel hubs bolts on car, trucks, or trailers using breaker bar, impacts wrenches, or ratchets without slippage. The included 12mm drift punch enhances versatilities for auto repair workshops or home garages, secure stored in a case for organized toolkit and quick accesses to damaged bolt removal solution. Specifications: Material: High Carbon Steel Size: Including 17mm, 19mm, 21mm, 22mm Height:Approx.5.0cm/1.97inches Stamping Rod Length:Approx.7cm/2.76inches Package Includes: 1×17mm Damaged Screw Puller 1×19mm Damaged Screw Puller 1×21mm Damaged Screw Puller 1×22mm Damaged Screw Puller 1× Stamping Rod note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color.