The DOYLE™ Heavy Duty 1/8 in. to 2 in. Straight Pipe Reamer enlarges openings and deburrs holes in pipes from 1/8 in. to 2 in. diameter. The pipe reamer has a ratchet gear and pawl engineered for smooth and consistent action. This pipe reamer is constructed with rugged heat-treated cutting edges, making it tough enough for professional use.