Made of high quality with alloy, durable and hard for the time using. Cuts all composite, plywood, hardwood, and softwood materials. T Shape wood milling cutter, prevent building-up of sawdust , resin and pitch C3 micro-grain tungsten carbide cutters , solid hardened steel bodies with Anti-Kickback design High hook and shear angles allow cutters to slice smoothly into stock producing clean and simple construction