Engineered for: Porcelain & General Purpose. The Ultra Thin Feature is beneficial for the professional who is seeking a superior precision cutting experience on the most delicate projects. The blade offers a clean cut at the highest speeds. Alternative Uses: Ceramic, Glass, Marble, Travertine, Limestone, Soft Granite. Size: 4.5" ; Arbor: 7/8 - 5/8" ; Segment: 1.2t x 8w.