MATRIX Blades are designed to aggressively and effectively cut granite and quartz stone delivering chip free performance.  They have a sintered diamond core as a cutting surface.  This blade will cut other materials sick as marble, travertine, tile, brick, refractory and ceramic materials, and cured or reinforced concrete.  May be used either wet or dry.  It will fit on all 5/8″ 11 angle grinders and has multiple sized brass knock outs for other arbor sizes and saw applications.  Each blade also has tapered 4 center hole cut outs for flush cut adapters allowing you cut closer in tight places.