ITEM NAME:30x Diamond Grinding Cutting Burr Set Drill Nail Bit Rotary Tools Grinder Hot Descriptio n Description: Description: 1. Specially used to repair molds on various materials. Milling grooves. Engraving, can be used for furniture, handicrafts, molds, music, various models, ship models and so on. 2. The utility model has the characteristics of high grinding performance, simple manufacture and low cost, high grinding processing quality and can be applied to large-scale grinding processing. 3. Shape: ball, cylinder, sharp needle, bullet, etc. Specifications: Size: rod diameter 3mm Weight: 100g Color: silver Material: Diamond Package Included: Product list: 30pcs Whatever the ending's perfect or not, you can't disappear from my world 30x Diamond Grinding Cutting Burr Set Drill Nail Bit Rotary Tools Grinder Hot.The utility model has the characteristics of high grinding performance, simple manufacture and low cost, high grinding processing quality and can be applied to large-scale grinding processing. We'd like to settle any problem in a friendly manner.