Narrow, Mil-Spec, Standard, SAE, Large Outside Diameter
Phenolic Resin, Brass, Alloy Steel, Stainless Steel, Titanium
1/2", 2 3/16", 1 37/64", 3/4", 15/16"
0.313", 0.625", 0.75", 0.875", 1.125"
NL-19, Zinc Plated, Zinc Yellow, Armor Coat, Black Oxide
6.5 mm, 17/64", 3.1 mm, 1.1 mm, 11/64"