Turbo General Purpose BladesUSK TURBO GENERAL PURPOSE DIAMOND BLADES These turbo rim blades feature a high concentration of diamond in the cutting rim for a long Iife and can be used with or without water (although they will last longer when used wet). Designed for use on an angle grinder and are better suited than a segmented blade for fast cutting with a smooth professional finish in concrete, ceramic, porcelain, terracotta, soft stone, pavers and brick.