MK Diamond 169758 MK-313 12 by .125 by 1 inch-20 millimeter is a dry cutting and asphalt blade. The MK-313 Nor'Easter is a supreme grade, laser welded, wet/dry cutting combination diamond blade. The combination turbo/segmented rim is engineered for cutting abrasive materials like asphalt and concrete overlay applications. Full radius core protection is provided every six segments in order to protect against undercutting during all cutting operations. The additional core cutouts provide optimum cooling during deep cutting, which helps keep the core from warping or losing tension. The 15 millimeter rim height provides long life.