Save money and become a handyman with our Screw Thread Repair Tool. Designed to repair stripped and damaged bolt screws, plumbing, and pipe fittings in the thread pitch range of 0.75 - 3 mm. Efficient and easy to use, this tool allows you to fix and reuse old bolts and screws, earning you the respect of your family members. Why You'll Love It Repair damaged external threads conveniently: Choose the correct thread pitch from the tool and rub it over the damaged bolt or plumbing. It will restore both right and left-handed external threads. Useful not only for professionals but everyday mechanics and DIY people as well. Easy to grip: The tool has a yellow handle which provides an ergonomic grip during the rubbing operation. Allows you to complete the task in less time. Each side of the tool contains 4 rubbing heads (0.75, 1.00, 1.25, 1.50, 1.75, 2.0, 2.5, 3.0). Features Made of metal alloy Restores the damaged threads on bolts, screws, etc. Contains 8 metric files (0.75-3 mm) Removable handle Durable & fast tooth cutting Length: 8.5 in approx.