Item Details:* * High hardness bearing steel, strong and , quick break screw * Skull-shaped Sitellite bolt, easy to hold, used for: ratchet wrench crimping, multi-function wrench, hand twisting, easy to force * Application: water pipe, triangular valve, broken head screw, etc., emergency repair and work * Broken screw extractor use method:1. Select a drill bit that is thinner than the broken screw and drill a hole at the break point.2. Select a sampler with the correct hole size, insert it into the hole, and rotate it with a wrench.3. Use the extractor to rotate counterclockwise to the broken nail until the broken nail is completely unscrewed.* How to use the water pipe broken screw extractor:1. Measure the diameter of the broken screw water pipe2. Screw in the appropriate size extractor and turn it counterclockwise with a wrench3. The matching wrench rotates counterclockwise until the broken bolt is removed* Material: High Carbon Steel*No. 7 Extractor: 1/2'',No. 8 Extractor: 3/4'',*1/2'' Tube Diameter: 15mm; 3/4'' Pipe Diameter: 20mm (Pipe Diameter refers to Inner Diameter)*Optional Types: No.7 Extractor + 1/2'' Repair Tap/No.8 Extractor + 3/4'' Repair TapPackage Contents: Repair Tap1*Repair Tap + 1*Screw ExtractorNotes:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.