Sharpener: This tungsten electrode sharpener combines grinding, cutting, and end-flattening functions, accommodating tungsten rods from 1.0mm to 4.0mm in diameter. Precision Angle Control: Equipped with preset grinding angles (15°, 18°, 22.5°, 30°) and adjustable cutting lengths from 10mm to 40mm, this sharpener delivers accurate and repeatable tungsten preparation for stable arcs and cleaner welds. Adjustable Speed: Featuring a 6-speed dial ranging from 5000 to 30000 RPM and a powerful 750W motor, you can fine-tune grinding speed based on tungsten diameter. Portable & Dust-Free Design: Weighing 1.6kg and enclosed in a hard carry case, this compact sharpener is perfect for on-site or workshop use.No manual alignment needed—simply insert the tungsten into the designated slot for consistent results, allowing for quick setup and professional-grade tungsten preparation. note：This product does not support 110V voltage. Please do not place an order if the voltage is not compatible, otherwise you will need to provide your own transformer.