Overview Reviews Product Description HSS Right hand cut Left hand helix Bright and black finish Square end for tap wrench Hand reamers are used for the final sizing of holes Left hand spiral flute design pushes chips forward out of the hole and allows the reamer to be used in holes that have an interruption. Clarkson Osborn Catalog Product Videos Custom Field Diameter 4.5mm Flute length 41mm Overall length 81mm Package quantity/sold as each 1 Product Reviews Write a Review Write a Review × Clarkson-Osborn 4.5mm HSS Hand Reamer RE41545 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *