pLACKMOND Diamond Blade, Tuck Point Segmented, Series SPP, 7 in Diameter Blade, 58 to 78 in ArborShank, 38 in Cutting Width, DryWet Cutting Condition, 10 mm Segment Height, 38 in Kerf, Sintered Bond, 8730 rpm Maximum, Applicable Materials Brick, Mortar, Masonry and StoneppThe SPP series tuck point blades are designed to grind out and repair mortar joints in stone or brick masonry walls They are an excellent cost performance value and provide very fast, clean cuts in mortar and grout joints The SPL Series tuck point blades work well in both harder and softer aggregatesp