TIG Welding Tungsten Grinder Set, professional Tungsten Sharpener Multi-Angle Offsets Tool. Fitting most all Rotary Tools with a 3/4-12 thread. Made of high-quality metal. 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) Please note: There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you Material: Metal colour: Black Package Contents: 1 x Sharpener 10 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.