Premium Swiss-made diamond mounted on exceptionally flat aluminum alloy backer 400 Grit Medium One Side/ 800 Grit Fine Opposite Side;Extra thick 5.5 mm HONE backer dampens vibration and will not flex and roll over dulling the cutting surface of the ski or snowboard edge;Unique diamond cluster pattern lasts longer than conventional diamond sheet;Re-usable backer on two sides - Tools4Boards Replacement diamond sheet available in all grits. Backer dimensions: 120 mm x 24.5 mm;Black matt textured finish allows stone to be used wet and provides superior diamond adhesion

• Tools4Boards Hone Duo Swiss 400 Grit Medium One Side/800 Grit Fine Opposite Side Diamond Stone - Yellow/White
• Yellow/White

Tools4Boards Hone Duo Swiss 400 Grit Medium One Side/800 Grit Fine Opposite Side Diamond Stone - Yellow/WhiteTools4Boards