The GripEdge Tools 8-pc RPT Star T-Handle Set, No. PST8S, is designed to replace standard star tools and includes sizes T10, T15, T20, T25, T27, T30, T40, and T45. Each tip features Rounding Prevention Technology that provides up to 50 percent more torque on new fasteners and up to 400 percent more torque on damaged fasteners, according to the company. Each bar is manufactured from S2 steel for durability and coated for corrosion resistance, and each handle is designed and over-molded for user comfort. The T-handles come in an EVA foam tray with large size markings on both the tools and the tray.