Bio Sculpture Black Files are medium/coarse files used the remove the shiny surface from gel prior to removal and for gel shaping. Not recommended for use on natural nails.
Bio Sculpture Black Files are two-sided with 100 and 180 grit options and cushioned for a better grip, ease of use and allows for more control and faster refinement of the gel surface. Washable.
Also available for purchase in 12-packs.