Features:<br />1， Smooth and refine surfaces by using these Diamond Grinding Head to polish metal， ceramics and marble ，ect. <br />2， Ideal for smoothing interior surfaces， there are 45 interchangeable pieces for the rotary grinding and polishing tool.<br /><br />Specifications:<br />Material: Felt Fabric(Head) + Metal(Shank)<br />Cone Diameter:6mm(1/4&quot;)<br />Cylindrical Diameter: 6mm(1/4&quot;)<br />Ball Column Diameter: 6mm(1/4&quot;)<br />Bullet Diameter: 6mm(1/4&quot;)<br />Ball Diameter : 6mm(1/4&quot;)<br />Candle Diameter: 6mm(1/4&quot;)<br />Shank Diameter: 3mm (1/8&quot;)<br />Total length: 45mm (1 3/4&quot;)<br />Color: as the picture shown<br /><br />Package included:<br />3 x Cone Grinding Heads<br />4 x Cylindrical Grinding Heads<br />3 x Bullet Grinding Heads<br />4 x Ball Grinding Heads<br />3 x Candle Grinding Heads<br />3 x Ball Column Grinding Heads<br />