Feature:1. DURABLE CONSTRUCTION: The tungsten electrode sharpener is made from premium alloy, offering high damage and wear resistance. With a smooth, durable black matte surface, this tool is designed by professional welders.2. MULTIPLE ANGLES AND OFFSETS: Offers 45, 40, 30, and 20 grinding angle options. 22.5, 20, 15, and 10 offsets available for customized electrode sharpening. Allows for precise sharpening based on specific welding requirements.3. VERSATILE HOLE SIXES: Designed with 4 hole sizes, 0.04in, 1/16in, 3/32in, and 1/8in (1mm, 1.6mm, 2.4mm, 3.2mm), the guide rails ensure concentricity and various sizes offsets, enhancing the utilization of the grinding wheel.4. CNC PRECISION DESIGN: The precise CNC machining design minimizes the consumption of the grinding disc, and ensures precise grinding angles and pointed edges.5. STRONG COMPATIBILITY: This welding tungsten grinder set is fit for most rotating tools with 3/412 threads. Ideal for sharpening electrodes used in various welding applications.Specification:Item Type: Tungsten Electrode SharpenerMaterials: Alloy4 Brass Tungsten Rails Sizes: 0.040in, 1/16in, 3/32in, and 1/8in, brass can be interchanged.4 Angular Offsets: 22.5, 20, 15, and 10 (45, 40, 30 and 20 reflected at the tip).Application: Suitable for most rotary tools with 3 / 4-12 thread, including for Black and Decker, for Bosch, for Dremel, etc..Package List:1 x Tungsten Electrode Sharpener 6 x Accessories