Professional quality T15 Torx-compatible wrench for bicycle applications Carefully selected combination of Chrome Vanadium and S-2 tool steels , with unique anodized aluminum Speed Spinners for quick and effortless removal and installation of long bolts Park Tool THT-15 - Sliding T-Handle Torx Wrench T15 Unique anodized aluminum Speed Spinner makes running long bolts in and out quick and effortless Sliding T-handle creates increased leverage and multiple access positions