... , ST 65 & LG 91CR19- (Sintered, Closed Edge) Blades for Ceramic, slate, Limestone and stoneSP12-(Sintered, segment Edge protected) For concrete, bricks, Slate, sand lime ... , fire proof stone and fire clay.SS21-(sintered, segment Edge) Concrete, Bricks, Ceramic, State, stone, ReinforcedConcrete, concrete paving and Concrete roofing tilesLC69 ...