The Irwin Professional Aluminium Circular Saw Blade has expansion slots that help keep the blade flat. Triple Chip Ground Tooth (TCG) provide an excellent cut finish. Specially designed for cutting all types of non-ferrous metals such as aluminium, copper, lead and plastics.Select Option 160 x 20mm x 56T184 x 30mm x 48T TCG200 x 30mm 60T TCG210 x 30mm x 60T TCG216 x 30mm x 60T TCG250 x 30mm x 100T TCG300 x 30mm x 96T TCG Add to Basket Quantity