This is a 5 diamond bur kit plus sander band mandrel and 6 replacement sander bands. Sander bands are 1/4" diameter. The diamonds are considered fine (f).  Sander bands include 2 fine (f), 2 medium (m), and 2 coarse (c). Great for nail and skin care. Diamonds are also great for glass and very hard materials.

Note:This Device falls under Bur, Surgical, General & Plastic Surgery. The FDA deems this item a class I device. The FDA's Office of Device Evaluation has given class I devices a 50(K) exemption, Regulation number 878.4820.