Tungsten Electrode Sharpener: excellent for sharpening the tungsten electrode rods, fits most rotary tools with a 3/4-12 thread. We have designed four hole sizes , namely 0.04inch , 1/16inch, 3/32inch and 1/8inch(1mm, 1.6mm, 2.4mm, 3.2mm)The guides concentricity and multi-offset, increasing the utilization of grinding wheel. 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 5pcs for replacement. Material: Metal colour: Black Package Contents: 1 x Sharpener 5 x Grinding Wheel 2 x Rod Only the above package content, other products are not included. Note: Light reflection 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.