Key features

• •Fits most all Rotary Tools with a 3/4-12 thread including Black and Decker, Milwaukee, Bosch Dremel and More! (***Package No Rotary Tool/No Drill Included).
• •This tool will grind 2 sizes tungsten, 2 angles tips for each size. 4 types holes 1/16" (1.6mm) 15°, 1/16" (1.6mm) 20°, 3/32" (2.4mm) 15°, 3/32" (2.4mm) 20°. 15° is 30° when grinded on tips, 20° is 40°. Each type have 3 holes will grind different circle on diamond wheels, will reduce diamond wheels consumption by 2 times.
• •All holes designed to use the same height of diamond wheel. Needn't to set the height again and again. Very easy to install.
• •It is very light and convenient, only 87g. But very strong and precise. All holes are stationary, so we can set an offset compensation for each size hole to make sure all tungsten's tip center is on the grinding center point, this offset can ensure that the lines on the tip of the tungsten electrode are as straight as possible. If the hole position is variable, offset compensation cannot be set.
• •This tool is essential for real professionals.We know welders, so we know what they need.