Tungsten Electrode Sharpener: excellent for sharpening the tungsten electrode rods, fits most rotary tools with a 3/4-12 thread.Suitable for: it will grind 2 sizes tungsten, 2 angles tips for each size. 4 types holes 1/16inch (1.6mm) 15, 1/16inch (1.6mm) 20, 3/32inch (2.4mm) 15, 3/32inch (2.4mm) 20. 15 is 30 when grinded on tips, 20 is 40. Each type have 3 holes will grind different circle on diamond wheels, will reduce diamond wheels consumption by 2 times.Diamond Grinding Wheel: wheels in good hardness and wear resistance that are used for grinding TIG welding tungsten electrodes or cutting a wide variety of materials, comes with 10pcs for replacement.Zipper Storage Pouch: for keeping the sharpener and diamond wheels, easy to carry around.DIY Supplies:MetalworkingModel Number:Electrodes SharpenerItem Size: 60 x 43mm / 2.36 x 1.69inchItem Weight: 79g / 2.80ozcolor:BlackMaterial:aluminumPackage Contents:1 x Sharpener10 x Grinding Wheel2 x RodOnly the above package content, other products are not included.Note: Light shooting 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.