Specialty Diamond’s Diamond Blade utilizes a continuous rim to dry cut and will last up to 100-times longer than standard diamond blades. The rim of the DB40T features an advanced diamond matrix reinforced with steel that provides long life and enhanced material removal.Dry cutting general purpose blade with 0.050″ segment thickness & 0.45″ segment depth for use with portable tools, circular saws and worm drive saws. Designed for fast shallow cutting in brick, block and tile. Matrix design minimizes chipping. Steel body delivers constant depth of cut.