SIZE : 230 X 10 X 2.6 X 22MM MAX OPERATING SPEED:6,600RPM, 80M/S MPA CERTIFICATE:20810 FLAT CENTRE NOT SUITABLE FOR METAL SUITABLE FOR WET & DRY CUTTING OF ROOF TILES, HIGH DENSITY BLOCK, KERB STONES, PATIO SLABS, PIPES & BRICK FOR BEST RESULTS, CUT FROM WET. FOR USE WITH ANGLE GRINDERS CASE QUANTITY-25 PACKAGE DIMENSIONS FOR POSTING 24x25x1