Portable & High Performance: Are you still suffering from cumbersome grinding machines? This tungsten sharpening grinder is a hand-held tool, very convenient. This set includes a Tungsten Electrode angle Sharpener and an electric rotary tool, which is light and portable, more convenient, you can grind more tungsten needles with more perfect angles faster. Help you improve welding efficiency. 6 Size 8 Angles: This grinding head supports 6 sizes of tungsten electrode ( 5/32", 1/8", 3/32", 5/64", 1/6", 040"), 8 angled holes: 7.5 °,10°, 15°, 20°, 22.5°, 25°, 27.5°, 30°.(15°, 20°, 30°, 40°, 45°,50°, 55°, 60° Tips Angle respectively). All grinding heads have been checked by precision measuring tools, ensuring the SONNLER tungsten sharpener can grind a perfect tungsten tip angle. Easy Operation: All the holes are fixed, when you need Tungsten Electrode with different angles, you only need to insert the tungsten electrode into the corresponding holes, no need to re-adjust the height of the diamond grinding wheel. We also set an offset compensation for each hole size to ensure that the tip centers of all tungsten electrodes are on the grinding center point. Even a freshman can easily use the SONNLER tungsten sharpener to grind out the desired angle. Package Include: 10*Double Sided Grind Wheels, 3* CNC Mandrels, 1*Electric Grinder, 1* Tungsten Electrode Grinding Head, 1*Wrench, 1* Storage Box, 1* User Manual.1* Pin Vise Hand Drill SONNLER Make For Higher Efficiency Welding: Wearing a mask and other protective gear is recommended unless you are grinding in a full-sealed space. If you have any questions, please contact us, and we will provide professional help! SONNLER Tungsten Electrode Sharpener Grinder For TIG welding, 6 Sizes 10 Angles, TIG Welding Rotary Tool With Flat Grinding Block Cut-Off Slot, 10 Diamond Wheels, 3 CNC Mandrels