General description This 131-piece SAE Thread Repair Kit is designed for repairing stripped or damaged internal threads and performing maintenance to prevent thread wear. It includes drill bits, taps, and blades in the five most requested SAE sizes: 1/4", 5/16", 3/8", 7/16", and 1/2". The kit is housed in a convenient carrying case for easy transport and storage. Technical specifications Item Weight: 5.1 lbs Package Dimensions: 15.59 x 7.68 x 2.24 inches Includes: 110 threaded inserts (M5 x 0.8 x 6.7 mm; M6 x 1.0 x 10.8 mm; M8 x 1.25 x 10.8 mm; M10 x 1.5 x 13.5 mm), 5 HSS twist drills, 5 HSS taps, 5 threaded sleeves, 5 screwdrivers, and 5 tooth breakers Installation To use the kit, follow these steps: Drill out the old threads to the desired size using a twist drill. Cut new threads for the threaded inserts. Use a manual installation tool to insert the threaded insert into the newly created threads. Once positioned, use a pin breaker to break the pin at the predetermined breaking