The Stanley FatMax heavy-duty saws have Bi-material handles which are screwed and ultrasonically welded for comfort and security, and allow cutting at 90° and 45°. The teeth are precision set to generate clearance of kerf for the blade to cut on both the forward and back stroke, increasing cutting efficiency by 30%. These 3 sided teeth are precision ground to offer razor sharp cutting edges at every stage of the stroke. They are induction hardened to stay sharper for longer. 7 TPI.Length: 550mm (22 in).