Dive into the ultimate solution for worn threads with our Master Metric and SAE standard Thread Repair Chaser Tool Set. Designed for precision, our kit expertly restores and cleans threads without shaving metal. Essential for every auto mechanic, its high-quality carbon steel components ensure durability while tackling tasks from spindle rethreading to spark plug repairs. Organized in a color-coded storage case, effortlessly differentiate between metric, coarse, fine, and SAE tools. Your comprehensive toolkit for every rethreading need!