This product may be intended for use by a health care professional use only. The seller may ask you to evidence you are a qualified health care professional entitled to buy and use such products in your country. 100pcs/10Boxes Dental Diamond Burs Drill for Teeth Porcelain Ceramics Composite Polishing High Speed Handpiece FG 1.6mm Types: BR-40 TF-12EF TR-13 TC-11 FO-25 TC-21F BR-31C SR-13 SO-21 SI-47 10 Fixed types. Packing list: 10boxes: 100pcs dental diamond burs