Lackmond SG16SPL1251 SPL Series Dry Cut Diamond Blade for Cured Concrete, 16-Inch by .125 by 1-Inch by 20mm 16-Inch x 125 x 1-Inch-20mm Dry cut diamond blade for cutting cured concrete outside 48 hours old Bonded and designed for use on hand held "high speed" saws, air saws and low horsepower walk behind saws Pre and post-tensioned steel core to eliminate loss of tension and "run-out" during cutting conditions Delivers excellent speed of cut while maximizing longevity