These are some professional and practical wool felt polishing bits, which are made of , and practical, good for long time using. They use a grinding action to let your item such as watch, jewelry, etc have a new look. Easy to use and take, convenient to store, suitable for professional or personal use. Features -Color:As shown -Material:Wool felt, metal -Size:5.00X1.20X1.20cm/1.97X0.47X0.47in -Specification: 10, 12mm(cylinder shape); 8, 10, 12mm( shape) - type grinding heads are usually used for some hard objects, such as repolishing , watches or jewelry, glass, etc. -Simple operation, different shapes, suitable for engraving in any shape, and different sizes can meet your requirements better. -Using premium materials, the wool grinding heads are , withstand . -Small size, light weight, easy to use, take and store, the wool polishing heads can offer you much more convenience to use. -Designed to make polished goods , have a new look, the polishing bits are of great use. Package list: 5 x Cylinder Shaped Wool Felt Grinding Heads(10mm) 5 x Cylinder Shaped Wool Felt Grinding Heads(12mm) 5 x Shaped Wool Felt Grinding Heads(8mm) 5 x Shaped Wool Felt Grinding Heads(10mm) 5 x Shaped Wool Felt Grinding Heads(12mm)