Specifications: This set consists of a pipe tap to clean and re-thread damaged or broken threads and a screw extractor to remove rusted, stuck, broken, and damaged screws. Made from high-quality steel material, this set features excellent rust and wear resistance for longer service life. It is easy to operate, making it a helpful tool for both beginner and experienced users. Item Name: Repair Tap Extractor Set Material: Steel Feature: Durable, Easy to Use, Wide Application, Repair Tool Broken Screw Extractor Part: Screw Thread: 1/2 inch: 10-19mm / 0.39"-0.75", 3/4 inch: 16-24mm / 0.63"-0.94" (Approx.) Repair Length: 1/2 inch: 46mm / 1.81", 3/4 inch: 48mm / 1.89" (Approx.) Applicable Depth: 1/2 inch: 25-35mm / 0.98"-1.38", 3/4 inch: 35-45mm / 1.38"-1.77" (Approx.) Total Length: 1/2 inch: 96mm / 3.78", 3/4 inch: 102mm / 4.02" (Approx.) Thread Repair Tap Part: Screw Thread: 1/2 inch: 22mm / 0.87", 3/4 inch: 27mm / 1.06" (Approx.) Repair Length: 1/2 inch: 34mm / 1.34", 3/4 inch: 34mm / 1.34" (Approx.) Total Length: 1/2 inch: 81mm / 3.19", 3/4 inch: 86mm / 3.39" (Approx.) Notes: Due to the light and screen setting difference, the item color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Broken Screw Extractor 1 x Thread Repair Tap