SIZE : 230 x 7 x 2.6 x 22.23 MAX OPERATING SPEED: 6,600RPM, 80m/s MPA CERTIFICATE: 20812 FLAT CENTRE NOT SUITABLE FOR METAL SUITABLE FOR CUTTING MOST BUILDING MATERIALS INCLUDING CONCRETE, PAVING SLABS, CONCRETE PIPES, CLAY ROOF TILES & BRICKS FOR USE WITH MAINS 230MM ANGLE GRINDERS INNER/CASE QUANTITY: 10/100 PACKAGE DIMENSIONS FOR POSTING 15x18x2