Spring Nut, Steel, Width 1 1/4 in, Depth 3/4 in, Thickness 14 ga, Finish Galvanized, Thread Size 1/2 In. -13, Silver, Bolt Size 1/2 in, Conduit Type Strut Channel, Conduit Size 1/2 in, For Use With B Series Channel and Inserts, Gauge 14 ga, Package Quantity 25. This item has been restricted from sale in the following state (s): []