Product Description FLEX-PRO 125mm ALUMINIUM FLAP DISC 40grit Designed for Grinding Aluminium. These discs feature a unique patented mesh cloth which provides faster aluminium stock removal. Unique design produces lower grinding and surface temperature on the aluminium. Mesh design stops the aluminium loading up the disc resulting in less disc changes and continuous performance which means more stock removed in less time. Features and specs Faster grinding Cooler grinding Non loading Fast stock removal Patented mesh design Industrial grade Full size Flaps Grit: 40g Disc diameter: 125mm (5″) Centre hole: 22.3mm (7/8″