The Evolution R185TCT-20CS tungsten carbide tipped 20 tooth Multi-material blade is capable of cutting mild steel, aluminium, plastic, wood and even wood with embedded nails, one blade cuts all. Evolution saw blades are designed to deliver maximum performance by using the highest grade Japanese sourced carbide, hardened & balanced blade bodies & ultra high-grade brazing techniques. All Evolution blades offer optimum cutting performance with our high torque motor equipped tools.