Viva's Silicon nail polisher is the hot sale of our nail drill bits. Also called silicon rubber polisher. We have four different sizes for your reference, the smallest size is 4*12.0mm and the largest is 15*17mm. The holder decorated with a different shape for a particular user. Usually, silicone polisher is widely used as callus grinding. It is made with Japanese rubber, silicon and aluminium oxides. the rubber is known as skid resistance, so it is not easy to break away from the shank when it is rotating. The refined shank is made of premium steel. Weight Balanced Shank brings a high concentricity to our holder. It is more stable when it is rotating. Every Silicon polisher is single packed in the box-sized 1*1*7CM.