Versa Tool MB1R 50 Grit Electroplated Triangular Polishing Diamond Pads for Oscillating Tools. Diamond abrasive pads are the perfect solution for grinding and polishing hard materials. Made using electroplated diamond technology, this 50 grit diamond pad will aggressively grind and shape glass, granite and natural stone, concrete, ceramic, masonry and other hard material. The aggressive abrasive characteristics of the 50 grit exposed diamond surface allows for fast stock removal. 50 grit diamond pads are ideal for shaping glass and smoothing sharp corners and edges in stained glass projects, rounding or beveling edges on natural stone tile, grinding lapidary rock specimens. Use the 50 grit pad for grinding concrete and terrazzo floors in hard to reach areas such as corners and stairs. Hardin diamond abrasive pads will attach to any triangular hook and loop oscillating pad