The Super Premium (SP) and Universal Premium (UP) Diamond Blades are ideal for a variety of cutting applications in concrete, concrete block, brick, and natural stone. The SP blades feature Equidist technology, where the diamonds in each segment are spaced accurately at regular intervals for consistent, high-cutting performance and longer blade life. The UP Blades are versatile blades designed for speed and life, and can cut into concrete, masonry, and asphalt. Hilti Inc. 800-879-8000.