BESTIRTOOL Screw and water pipe extractor set, make your problem solved. These extractors will remove any: ✔ Damaged Screws ✔ Stripped Screws ✔ Rusted Screws ✔ Broken Screws ✔ Stuck Screws ✔ Broken End Water Pipes 2 Steps to remove damaged screws: • Use the drill bit of the extractor to drill a hole into the screw • Then flip the tool to the extractor side to remove the screw. (Drill bits not included in the package) 3 Steps to remove broken end water pipes: • Insert the extractor into the tubing. • Use the wrench to clamp the extractor and turn it counterclockwise. • Turn about 1/4 turn will feel a bit tight, then the extractor has bite off the tube. Continue to turn the wrench counterclockwise, the tube will rotate with the extractor, rotating to the tube was taken out. (Wrenches not included in the package) ☞ SPECIFICATION ☜ ·Material: Carbon Steel ·Tool Box Size: 7.4 × 4.9 × 1.97 inch / 190 × 125 × 50 mm ·Screw Extractors Size: 1~6 for Damaged Screws, 7 and 8 for Damaged End Water Pipes. 1 for 1/8"-1/4" (3-6mm) 2 for 1/4"-5/16"(6-8mm) 3 for 5/16"-7/16"(8-11mm) 4 for 7/16"-9/16"(11-14mm) 5 for 9/16"-3/4"(14-18mm) 6 for 3/4"-1"(18-25mm) 7 for 1"-1 13/32"(25-35mm) 8 for 1 13/32"-1 25/32"(35-50mm) ☞ Package Included ☜ 8 x Screw Extractor.