Polishing and de-burring ability of a stone combined with the cutting ability of a file! Perfect for touching up edges and removing burrs on-hill for enhanced performance or to smooth and polish edges after filing. Use wet (immerse in 50% denatured alcohol & water) and place in file holder or guide for best results. Premium grit diamond paper bonded to Diaface flexible plastic plate, 100mm This 100 grit diamond file used to aggressively re-dress the Ski Visions Ski Sharp stones and the Base Flattener Ruby Stone blades.