Adjustable Hand-Held Tungsten Grinder Arc-Zone Cordless Sharpie DX Built to demanding specifications with the finest globally sourced M12 cordless motor and industrial grade double-sided diamond wheel. Majority of machined parts made in the USA. Safe & Easy To Use: Set your machine up for the job at hand & grind electrodes in the shop or in the field. Enclosed grinding wheel eliminates safety issues common with "side" or "wheel" grinders which can grab the electrode and shoot it back at the operator. Precise Diamond Ground Taper: Deliver quick and consistent adjustable grind angle from 15° -to- 45° for snappy arc starts, better puddle control and improved weld quality. The double-sided diamond wheel easily grinds tungsten electrode sizes, .040"**, 1/16", 3/32" and 1/8" (1.0mm, 1.6mm, 2.4mm and 3.2mm). **Note: .040" (1.0mm) collet sold separately. Grind, Cut, or Tip Flat Tungsten Electrodes Adjustable from 15-45 degrees making it perfect for every TIG welding job, in the shop or on the jobsite.The Sharpie DX is the only machine that grinds your preferred taper, cuts tungsten & easily adds a tip flat for longer electrode life, reduced weld contamination, and higher quality welds. Premium Quality Tool Built to Last Built with a high-quality M12 cordless motor and includes battery and charger.High quality industrial grade double-sided diamond grinding wheel, made in the USA.Every Sharpie grinder is skillfully built in our Vista, California facility by welding tool experts. More from Arc-Zone: Amplify Tungsten Electrodes Arc-Saber Monster TIG Nozzles State-of-the-Art Tungsten Meets or exceeds ISO 6848 and AWS A5.12 standards. Tungsten Electrode Storage Made in the USA with tough body design, o-ring seal, leash, & magnetic base. The Monster Differentiator Assembled with proprietary 316L diffuser screens with built-in tungsten guide. Features excellent ignition/re-ignition properties and good service life. Multiple sizes & color options available. Durable, non-reactive ZTA technical ceramic, with built-in screen stacks.