Profile: Reliable Diamond Tool, Inc. provides a wide variety of sizes and specs for virtually any & all materials known to the construction and stone industries. We offer sales, consulting, training and field instruction on the proper use & maintenance of sawing & drilling equipment, as well as the proper use & care of diamond tools. Our asphalt blades have a patented Trapezoid undercut protection design. These blades are available in 12"-42" diameters and supreme, premium or standard grades. We offer general purpose dry cutting blades for clean, chip free dry cutting. These general purpose blades are available in narrow slot, wide slot or wave core with inserts.