Alongside strut channel accessories, see our selection of spring nuts. Here is some additional information about Zoro Select Channel U Fitting. Material: Steel, Width: 5-3/8", Color: Silver.FeaturesMaterial: SteelThickness: 1/4"Width: 5-3/8"Sub-Category: Fittings and BracketsFinish: Electro GalvanizedItem: Channel U FittingColor: SilverDepth: 1-5/8"