Construct Wood Circular Saw Blade is durable when cutting construction site timber with nails and concrete residues The Construct Wood Circular Saw Blade is durable when cutting construction site timber with nails and concrete residues. Its high-quality precision-ground carbide teeth make the blade robust for tough applications. Moreover, its expansion slots lower vibration during use, which dampens noise and reduces heat development. The blade features a base blade made of dimensionally stable SK5 hardened steel (> 40 HRC) which ensures accuracy. Use this saw blade in construction timber with nails and concrete residues.