pLACKMOND Diamond Blade, Laser Weld Segmented, Series PRM Series, 412 in Diameter Blade, 78 in, 20 mm, 58 in ArborShank, 008 in Cutting Width, DryWet Cutting Condition, 85 mm Segment Height, 008 in Kerf, 13300 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