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Rocket Combo Fast Set Files 80/100/180 grits for etching, shaping and finishing. Blast off with the Rocket Files! Superior with each filing stroke. Galaxy's Rocket Files are designed to perform. A wide surface for shaping and the unique tapered top for cuticle area detailing. Rocket Files are 7 inch by 1 inch. Tapered top is 80 grit and 1 side of the body is 100 grit & the other side is 180 grit.