40 Piece Star And Spline Socket Kit For Modern Auto Repair Shops ✔️ 40 pc copper finish precision driver sockets for tight bolts This forty piece set packs copper coated star and spline drives into a rugged steel box. You will appreciate having these dependable impacts handy around your shop when tackling stubborn bolts on trucks, boats, and garden machinery. ✅ Complete assortment includes thirty two star drives and eight spline attachments ✅ Heat treated alloy steel construction resists wear under high torque loads ✅ Polished copper coating provides extra grip and corrosion resistance during messy jobs ✅ Heavy duty metal storage tray keeps every single piece organized and easy to grab ✅ Ideal replacement kit for wrenches used on domestic car engines and outdoor power tools 💡 Why select spline and star sockets over traditional hex drivers for engine maintenance? Switching to these specialty tools prevents head stripping during daily repair work. - Conventional wrenches slip instantly on recessed fasteners found in modern vehicles - Splined cavities spread pressure evenly across multiple edges to extend tool lifespan - Copper plated surfaces cut down on friction while maintaining rigid torque transfer rates ✝️