Roofmaster's 14" Carbide Blades give you the most economical cut - on the roof deck! Roofmaster's high carbon steel blades are laser cut and induction welded (carbide inserts) for extra strength and impact resistance. Cutting depth of 2-1/4". Roofmaster offers an exclusive limited warranty on the bonding of our carbide inserts to the steel blade. This model features 1/4" carbide and is 14" in diameter. Make sure the blade guard on your saw will accommodate a 14" blade.