This Tungsten Carbide-Tipped (TCT) circular saw blade is specifically designed for use with cordless circular saw machines. It is hardened and tempered to ensure a long life and it has a thin kerf for rapid cutting. High-quality precision-ground carbide teeth make the blade robust. Designed for use on hardwood, softwood, MDF, chipboard and composites. Compatible with most 165mm cordless circular saws with a 20mm and 16mm bore, including Stock No. 55519 and 89451. EN847-1 Standard.