SILENT - CPP HIGH ALUMINAThe Refractory Blade range are made with a high diamond concentration for extremely aggressive fast cutting and superior blade life. These blades are ideal for cutting hard brick, block, masonry and stone and can be used for wet or dry cutting. This is a high alumina blade with a silent laminated finish and designed with CPP (Controlled Particle Placement) pattern technology. SPECIFICATIONS: BORE: 1" + DPSEGMENT SIZE: 40x3x10mm (14" to 16")40x3.