Drop forged, heat treated alloy steel. Mirror finished and chrome plated. High polish finish resists corrosion. Precision machined open and boxed ends. Includes roll up pouch.
Sizes - 3/8", 7/16", 1/2", 9/16", 5/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-1/4".