【Introducing the T-Shaped Wrench by POWERTEC】 This T-Wrench was designed specifically for manual 1/4 in.-20 threaded insert installations. The wrench possesses a unique design which allows clean and straight installs into your wood based projects. It features a T-Shaped screw handle that gives you enhanced control and leverage helping you to avoid common pitfalls that often result in damaging the surrounding wood of your workpiece. 【SOLID BUILD】Our T-Wrench consist of a 15/32 in. solid-steel bar with a T-Shaped handle (2-3/4 in.) - perfectly welded for a comfortable and easy grip, and precision machined threads (3-1/2 in. L total length). 【HIGHLY FUNCTIONAL】 Whether you are a professional woodworker or DIY enthusiast, you will find this threaded insert tool extremely easy to use. Simply drill the appropriate sized, screw the T-wrench into the threaded insert, and manually drive it smoothly into your workpiece. Please Note: This item is not intended for the removal of threaded inserts once installed.