[Top quality material] Made of high-quality alloy, corrosion-resistant, abrasion-resistant, the surface is treated with black matte, smooth and durable. Designed by a professional TIG welder. [Great Fitment] TIG Welding Tungsten Grinder Set, professional Tungsten Sharpener Multi-Angle Offsets Tool. Fitting most all Rotary Tools with a 3/4-12 thread. [Unmatched Versatility] We have designed four hole sizes , namely 0.04inch, 1/16inch, 3/32inch and 1/8inch (1mm,1.6mm,2.4mm,3.2mm)The guides concentricity and multi-offset, increasing the utilization of grinding wheel. [ Design] A tungsten sharpening tool has four angled holes on it for use. 22.5°, 20°, 15° and 10°(45°,40°,30°,20°Tips Angle respectively). Precision CNC machining design reduces the consumption of diamond grinding discs. You can grind any angle you want. All holes designed to use the same height of diamond wheel. No need to set the height again and again. Easy to align the diamond wheel and the 2mm slit. Colour:Black Material:Metal Package Contents: 1 x Sharpener 5 x Grinding Wheel 1 x Rod Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.