Four-Piece Universal Torx Wrench Set with Double-Head ✔️ Double-head self-tightening design fits 3-17 mm and 8-22 mm bolts This four-piece Torx wrench set blends rugged chrome vanadium steel with a polished, electrophoretic finish to resist corrosion. It’s a handy, all-purpose tool for auto repair, home maintenance, and workshop tasks, ready to tackle fasteners in the garage, driveway, or on the road. ✅ Chrome vanadium steel construction for durability ✅ Double-head design covers multiple bolt sizes for fast work ✅ Extra-long reach increases torque and reduces effort ✅ Fits 3-17 mm and 8-22 mm nuts and bolts (1/8"-11/16", 5/16"-7/8") ✅ Ideal for auto repair, machinery maintenance, and DIY projects 💡 What is a double-head Torx wrench with self-tightening design best used for in automotive and mechanical work? This handy tool covers a range of fasteners and improves grip across tasks. - In automotive maintenance and machinery repair, it handles multiple bolt sizes without swapping tools - The self-tightening action helps secure the fastener and minimizes slippage - Great for quick repairs in garages, workshops, and on the road