Bosch Diamond Cutting Disc ECO For Universal 230X22.25mm 2608615031 Eco for Universal Segmented Diamond Disc is the preferred choice for reliable cuts in general construction materials Sintered cutting segments for good performance in a variety of materials Suitable for use in concrete, brick, limes,tone and roofing tile With 22.23 mm bore for standard locking nut angle grinders. FOR RELIABLE CUTS IN GENERAL CONSTRUCTION MATERIALS Eco for Universal Segmented Diamond Disc is the preferred choice for reliable cuts in general construction materials Suitable for use in concrete, brick, limestone,and roofing tile Specification: Materials: Concrete, Reinforced Concrete, Hard Stone Soft Stone, Solid Bricks Bore diameter (D) mm: 22.23 Cutting width mm: 2 .6 Diameter mm: 230 Pack size: 1 Pcs