Diamond Products 19312 Turbo XL Segmented Saw Blade, 14"General purpose blade used for dry or wet cuts in concrete or hard materials with a high speed, masonry or low HP walk behind saw. Special core with air holes for keeping the blade cool and serrated turbo segments allow less surface to surface contact. Highlights: Diameter : 14" Universal Arbor Segmented Blade WARNING: This product can expose you to chemicals including Cobalt metal powder, which is known to the State of California to cause cancer and