This C8 Corvette rear caster tool with stainless pins. Tool fits in the factory holes of the rear spindle. Designed down to thousandths tolerance for precise setting with the included angle gauge that can be set to degrees. The gauge is magnetic with bright illumination for hands free use as you are making adjustments. You will receive one tool, angle gauge, and batteries. I can also send you the digital pages from the OEM service manual instructions. Fits 2020-2025 C8 Corvette