Silent Core for Granite Marble blades are designed with a silent Sandwich core for jobs where noise level is a concern. They are brazed diamond blades specially designed with “W” segments to help dissipate heat for thermal stabilization allowing blade to run cool during wet use applications. The Silent Core for Granite & Marble delivers consistently fast, smooth cuts and the best blades life. They are used with stone saws for cutting marble, granite and field stones. Wet use.