Dual tang allows end user to flip blade around, reducing amount of wasted grit and maximizing cost per cut. Lasts 6X longer. Diamond grit cutting edge and dual tangs provide longer life than standard carbide grit blades. Cuts 3X faster. Narrow kerf edge removes less material for faster cutting. Straight clean cuts. Will not crush the pipe or leave ragged edges. For cutting cast iron, tile, brick and natural stone. Size 9” x 3/4” x .042”. Package of 1.