OCB1693 Features: * Made of tungsten carbide * Lasts up to 60 times longer than steel blades * Expansion slots to ensure blade runs straight and true * Sharp cutting edges for fast, smooth cuts * Clear anti-stick coating to resist heat, friction, and binding * 5/8"" arbor * 7-1/4"" blade diameter * Carded Includes: * 2 piece set includes one 40 tpi carbide tipped for crosscutting in wood, plywood, and paneling, and one 18 tpi carbide tipped for fast ripping and framing in wood