Hot Pressed Stone Concave Saw Blade Product Specifications and feature Turbo Rim Diamond Concave saw blades (dry cutters) diameter from 4"(105mm) - 7"(180mm) for cutting circles or curved line on the slab, countertops, etc. The protection on the both in- and-out side provide faster cutting on kinds of Hard, Medium Hard, Soft Stone, like Granite, Marble, Sandstone, Limestone etc. Concave Saw Blade