A cutting tool for cutting building materials at a range of angles from vertical and/or horizontal and with an additional adjustment mechanism for adjusting the cutting angle up or down by a small angle. More specifically, this invention relates to a cutting tool including a base, a support surface, and a cutting platform, where the cutting platform can be set at a plurality of angles to the base including, but not limited to, angles of 22.5°, 30°, 45°, and 90°, and the support surface can be angled slightly up or down by a small amount, for example 1° or 2°, to slightly adjust an angle of the cut.