About this item High-Quality CR-MO Steel：Made from heat-treated, premium chromium-molybdenum steel, it offers exceptional durability and resistance to damage. Every surface is precision-machined,corrosion-resistant. The HSS drill bit with titanium coating is more durable than a right-hand drill bit. The 135° head angle design ensures easier contact with fasteners, providing precise counter-sinking and smooth, clean holes Versatile Combination-The stripped screw extractor set includes 5 pcs spiral screw extractor,13pcs nut remover, 10p GRIPPING POWER-The high-performance gripping force screw and nut removal kit features a special thread design with spiral grooves that snap into place, delivering maximum clamping force and excellent torque. It is easy to use and ideal for removing stripped, rusted, frozen, or damaged bolts, nuts, and screws in automotive repairs and industrial equipment. Portable & Organized Storage Case-All components of this set are securely housed in a durable blow-molded carrying case, making organization and portability effortless. It is perfect for use at home, in the garage, on construction sites and DIY enthusiasts. Overview Brand: NORTOOLS Material: Chrome Molybdenum Steel Finish Type: Titanium Coated Number of Pieces: 40 Drive System: Multi-Spline, Left Hand