Applications include all types of machine able metal, wood, nail embedded wood, composites, plastic and rubber. These extra-tough, professional quality blades are available for a wide variety of uses in wood, metal, plastic, fibreglass, plaster and other common building materials. Morse electron beam weld the Matrix 11 cutting edge to the backer so that they can control the process and guarantee quality. 8% Cobalt edge offers more wear resistance. Matrix 11 cutting edge has shock resistant teeth that resist strippage.