Description Specifications: Diameter: 115mm (4-1/2″) Arbor: 22.2mm (7/8″) Blade Width: 15mm (19/32″) Includes: 1 pcs 20mm reduction ring Key Features: Versatile Application: Primarily designed for glass cutting and grinding, with the ability to dry cut glass and achieve sharp edges. Suitable for cutting a variety of materials, including: Marble Artificial stone Quartz stone Granite Slate Jade Ceramics Packaging: Securely packed by double blister for added protection.