Tungsten carbide-tipped teeth and thin kerf. For use on hardwood, softwood, chipboard and composites. Max 3800rpm. 30mm bore. Compatible with all 300mm woodworking saws with a 20, 25 or 30mm bore. Tungsten carbide-tipped teeth and thin kerf. For use on hardwood, softwood, chipboard and composites. Max 3800rpm. 30mm bore. Compatible with all 300mm woodworking saws with a 20, 25 or 30mm bore.