This multi-purpose Tungsten Carbide-Tipped (TCT) circular saw blade is hardened and tempered to ensure a long life. High-quality precision-ground carbide teeth make the blade robust and there is a thin kerf for rapid cutting. The anti-kickback design prevents the blade feeding too quickly. Designed for use on all woods, mild steel, copper, aluminium, laminates and plastics. Compatible with most 255mm circular saws with a 30mm bore including Stock No. 90170 and 79899. EN847-1 Standard.