Sand ring set $ 5.53 Set 1: 100 12.5mm sand rings + 2 poles Set 2: 100 9.6mm sand rings + 2 poles Set 3: 100 6.35mm sand rings + 2 poles Set 4: 30 sand rings for 12.5mm / 9.6mm / 6.35mm each + 4 poles for each specificationb Features: For professional use in the studio or at home. Can be used for natural nails and artificial nails. Remove excess glue and materials from the underside of acrylic / gel nails. Accessories for grinding, shaping, grooving and finishing of softwood and hardwood, fiberglass, etc. Used to refine the edges of nails / shape the edges / surfaces of acrylic nails and gel nails.