Professional grade saw. High impact rubber and ABS handle offers excellent grip. Hard chromed 9.5 blade, SK-5 high carbon steel, taper ground, IMPULS -tempered. Cuts on pull stroke only. Blade locks open and closed. Aggressive 7 teeth per inch, taper-ground blades - thicker at tooth edge, thinner at the back. This promotes faster cutting and resists sawdust clogging. Hard chrome plating produces an exceedingly hard, durable surface - resists rust and tree sap.