Swages six sizes of tubing: 3/16-Inch, 1/4-Inch, 5/16-Inch, 3/8-Inch, 1/2-Inch, 5/8-Inch O.D. tubing * Hex design for ease of extraction * Precision machined surface for ease of forming * High-alloy steel, heat-treated for strength and durability * Overall Length: 5-3/16-Inch; Weight: 5.92 oz.