Wide Application: Suitable for all rotating tools with 3/4 ‑ 12 threads ,A simplified design makes the GR-12 affordable on any budget! High Quality: Ships with a premium double-sided diamond wheel (2 Pcs） for superior performance, Product made of Upgrade aluminum alloy material, CNC finishing more Durable, there will be no trouble of high-temperature melting, reliable use, and longer service life Easy installation: Designed by a professional welder, grinding any size tungsten at 10, 15, and 20-degree angles, Very easy to install，Provides unparalleled versatility！ Benefits: Two guides are positioned at each angle, Utilize the introduced variable offset technology. When the diamond abrasive becomes worn, simply insert your electrode into a different guide aligned with fresh abrasive! Place the desired diameter guides at the angle of your preference! Fully customizable to fit every welder’s needs › See more product details