pLACKMOND Diamond Blade, Segmented Turbo, Series GR Series, 4 in Diameter Blade, 78 in, 20 mm, 58 in ArborShank, 008 in Cutting Width, DryWet Cutting Condition, 8 mm Segment Height, 008 in Kerf, SinteredSoft Bond, 15000 rpm Maximum, Applicable Materials Cured Concrete, Granite, River Rock, Natural Stone and Hard MaterialsppLackmond’s GR series blades are designed to be used on dense hard materials such as granite, hard brick, hard concrete, river rock, pavers, refractory applications and more They feature a very soft bond and small diamond mesh size, allowing these blades to cut very quick and clean The GR Series hard materials blade incorporates a segmented turbo configuration which combines the clean cut of a turbo blade and the aggressiveness of the segmented stylep