Faithfull Stone Cutting Disc 115mm ( 4.5 Inch ) x 3.2mm x 22.23mm | FAI1153S Manufactured to EN 12413 standard Diameter: 115mm ( 4.5 Inch ) Hole Size: 22.23mm Faithfull Stone Cutting Disc 115mm ( 4.5 Inch ) x 3.2mm x 22.23mm | FAI1153S Flat Stone Cutting Discs are manufactured using Silicone Carbide abrasive grit with fibreglass reinforcing and resin bonded to provide both safety and optimum cutting performance. Stone cutting discs must never be used for grinding and must always be presented to the workpiece at an angle of 90º. For use with a variety of machines, mini-grinders to stationary cutting-off machines.