The Lawson Products Regency Tapered Reamers are ideal for hole enlargement and aligning misaligned holes on fleet trailers, truck frames, or other steel construction applications. Made from high-speed tool steel and specially engineered with an odd number of tapered flutes to help eliminate chatter, these reamers penetrate thick steel quickly and safely while producing smooth, accurate holes without burrs. Suitable applications include fifth wheel mountings, spring hangers, and frame-mounted fuel tanks. The reamers are heat-treated within very close tolerances and feature three equally spaced drive flats to positively secure chucking. The gold finish helps minimize friction.