Features 1、26PCS Bolt Extractor Kit: This screw /u0026 bolt remover set including: 13pcs bolt nut remover set; 6pcs HSS drill bits; 6pcs spiral screw extractors; 1PCS 1/4/"-3/8/" hex adapter. Multiple specifications to meet your various work needs. 2、High Quality CR-MO /u0026 HSS: Bolt extractor is crafted from heat-treated chrome-molybdenum steel. The right drill bit set is made of high-speed steel and surface is coated with titanium nitride to prevent corrosion and rust, prolong the service life. 3、Superior Gripping Power: All broken bolt extractors with high precision thread, reverse spiral recess design provide maximum grip. The drill bit head is designed with a 135° angle, which is not easily worn and has strong penetration. 4、Solid Carrying Case for Storage: 26 pieces tools are all packed in a rugged, compact carry case for storage and portability. Each tool fits snugly into its respective place to prevent moving around and scraping. 5、Multi-Application: Suitable for removing most damaged, frozen, rusted fasteners including bolts, nuts, studs and screws. Before using spiral screw extractors to remove damaged screws, a drill bit must be used to drill the holes. Specification Features: 26PCS Bolt Extractor Kit: This screw & bolt remover set including: 13pcs bolt nut remover set; 6pcs HSS drill bits; 6pcs spiral screw extractors; 1PCS 1/4"-3/8" hex adapter. Multiple specifications to meet your various work needs. High Quality CR-MO & HSS: Bolt extractor is crafted from heat-treated chrome-molybdenum steel. The right drill bit set is made of high-speed steel and surface is coated with titanium nitride to prevent corrosion and rust, prolong the service life. Superior Gripping Power: All broken bolt extractors with high precision thread, reverse spiral recess design provide maximum grip. The drill bit head is designed with a 135° angle, which is not easily worn and has strong penetration. Solid Carrying Case for Storage: 26 pieces tools are all packed in a rugged, compact carry case for storage and portability. Each tool fits snugly into its respective place to prevent moving around and scraping. Multi-Application: Suitable for removing most damaged, frozen, rusted fasteners including bolts, nuts, studs and screws. Before using spiral screw extractors to remove damaged screws, a drill bit must be used to drill the holes. Specifications: Material: Steel Item Size: Nut & Bolt Extractor Size: 1/4inch, 5/16inch (8mm), 3/8 inch, 10mm, 7/16 inch (11mm), 1/2inch, 12mm, 13mm, 9/16inch (14mm), 5/8 inch (16mm), 17mm, 11/16 inch, 3/4 inch (19mm) 1/4"-3/8" Hex Adapter Spiral Flute Extractors Size: 1#(3~6mm), 2#(6~8mm), 3#(8~11mm), 4#(11~15mm), 5#(14~18mm), 6#(17~21mm) Drill Bits Size: 5/64", 1/8", 5/32", 1/4", 9/32", 3/8" Package Weight: 888g / 1.95lb Package Size: 24 * 16 * 5cm / 9.45 * 6.29 * 1.97in Package List: 13 * Nut Remover Set 6 * Drill Bits 6 * Spiral Screw Extractors 1 * 1/4"-3/8" Hex Adapter 1 * Storage Case Package List 13 * Nut Remover Set 6 * Drill Bits 6 * Spiral Screw Extractors 1 * 1/4"-3/8" Hex Adapter 1 * Storage Case