FlexOvit Multi Material cut off wheels are engineered to cut a wide variety of general-purpose building materials. Ideal for trades people or serious DIY Produces a smoother, faster, and more versatile cut Made with a silicon carbide grain Made in Australia. These FlexOvit Multi-Material Cut Off Discs are designed to cut a variety of material including steel and other ferrous metals, stainless steel, aluminium and other non-ferrous metals, PVC, Masonry, and Ceramics. Specifications: Disc Diameter: 115 mm (4.5") Bore Diameter: 22.2mm Disc Thickness: 1mm Abrasive Type: Silicone Carbide C60T-BF41 “ Multi Material Maximum RPM: 13,300 (80 m/s) Complies with AS 1788-1987 and EN 12413 Multi Material wheels are produced with silicon carbide grain which produces a smoother, faster more versatile cut. This wheel is designed to cut a variety of materials, if you choose to cut a single material repetitively, always choose the wheel most suited to that application.