Description :<br>10pcs Shank 3.2mm Grinding Wheels Grinding Heads Rotary Tools Set<br>Shank Diameter : 3.2mmShape : cylinderical， sphere， bullet， arrow， etc.<br>Suitable for grinding metal burrs， the edge of glass， marble or rock etc. And other grinding processes.<br>Package included :<br>10 x 3.2mm shank  Grinding Heads<br>Details pictures :