115MM Vacuum Brazed Cutting/ Grinding Disc
M14 . 
Multi-purpose and aggressive for fast cutting, grinding beveling shaping rounding stone marble granite and other stone,concrete , ultra compact surfaces and tile ETC
Widely used for profiling edges, smoothing out inside sinkhole cuts, cleaning, dressing shaping 
Very good for removing deep scratches from stone, prior polishing,Also widely used for removing coating on concrete floors
Vacuum Brazed Diamond tools working much longer than Electroplated Diamond tools Engineered for good balance, fast grinding,cutting and long working life