Designed for dry cuts only, the Tarantula Spyder circular saw blade is ideal in rip and crosscut for rough wood. It's NiCo teeth provide clean cuts and exceptionally long life. They will last up to 6x longer than conventional bi-metal blades. Track straight with reduced friction, heat and noise. The Spyder circular saw blade is the professional's choice for framing and construction. Alternating tooth bevel (ATB) and inter fused anti-friction coating provides exceptionally smooth cuts.