4” X 0.250" X 7/8" Carbide Demolition Saw Blade for Versatile Breaching and Fire Rescue Applications - 3 Pack4X0. 250"X7 8" Tungsten Carbide Demolition Saw Blade for Versatile Breaching Applications and Fire Rescue Applications 3 Pack Easily cuts through all types of tar, fiberglass, gravel, hard concrete, hard roofing, wood roots, asphalt shingles, rubber plastic, metal sheets and all other heavy applications This saw blade can be reversed to expose new edges during use to expand efficiency and performance 10 total high diamond segments for fast cutting