【22PCS Complete Extractor Kit】Includes 10 multi-spline screw extractors (1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 13/32", 7/16", 15/32", 1/2", 9/16", 5/8", 21/32", 11/16", 3/4", 13/16", 7/8") and 4 essential accessories—3/8"-1/4" hex adapter, 3/8"-1/2" impact adapter, 3/8" drive extension bar, and a 3/8" universal joint. Covers a wide range of removal needs from small screws to large bolts. 【Upgraded 3/8" Drive Design】Compared to traditional versions, it can directly connects to impact wrenches, ratchets, and hand drills without needing an extra socket. The 3/8" drive structure provides faster bit changes, higher torque transfer, and greater efficiency for heavy-duty extractions. 【Durable CR-MO Steel Construction】Made from premium heat-treated chromium-molybdenum steel for superior strength and wear resistance. Each extractor features precision spiral flutes that provide maximum grip on damaged fasteners. 【Complete Accessories & Multi-Tool Compatibility】Works with drills, impact wrenches, ratchets, and hand tools. Includes extension bar and universal joint to help access tight or angled spaces. For best results, fully insert and align the square drive before applying torque. 【Versatile for Any Job】Perfect for removing stripped, rusted, frozen, or rounded bolts, screws, and studs. Ideal for automotive repair, machinery maintenance, and home improvement—trusted by both professionals and DIY users.