Abstract: A reamer comprising a shaft, a body, blades and a plurality of cutting elements is described. The shaft has an outer peripheral surface, and a first longitudinal axis. The body is connected to and extends from the outer peripheral surface of the shaft. The blades extend outwardly from the body. The blades each have an outer peripheral surface having a curved profile extending from a leading end of the blade toward a trailing end of the blade. The cutting elements extend outwardly from the outer peripheral surface of each of the blades. At least some of the cutting elements have a non-cylindrical shape configured for cutting through dirt.