pLACKMOND Diamond Blade, Laser Weld Segmented, Series PRM Series, 9 in Diameter Blade, 78 in, DM, 58 in ArborShank, 009 in Cutting Width, DryWet Cutting Condition, 85 mm Segment Height, 009 in Kerf, 6790 rpm Maximum, Applicable Materials Concrete, Brick, Block and Natural StoneppThe PRM Series general purpose segmented blades are our mid range blade which combines high performance at a competitive price They are designed to cut a variety of materials such as concrete, brick, block, natural stone and morep