Introducing "The Diamond Polisher" This large ball is in Extra Fine and for polishing the skin around the nail.You must use this piece in conjuction with cuticle oil to exfoliate the skin after your treatment has finished. This will eliminate hang nails and refine the finish of your manicure.  Use at speed 15-20rpm dependant on skin type and the quality of your machine. 	Diamond Bit 	Large Ball shape 	Extra Fine Grade 	Standard shaft width of 3/32"	for left handed & right handed use