Norton Masonry/Stone Stone Cutting Disc 9" (230mm) x 2.5 x 22.2mm - Screwfix
Bosch Professional 1x Standard for Stone Diamond Cutting Disc (for Concrete, Granite, Ø 125 x 22.23 x 1.6 x 10 mm, Accessories for Angle Grinders) : Amazon.co.uk: DIY & Tools