Spring Nut, 304 Stainless Steel, Length 1 3/8 ft, Width 3/4 in, Depth 1 7/8 in, Thickness 1/4 in, Finish Polished, Thread Size 1/2 In.-13, Silver, Bolt Size 1/2 in, Conduit Type Strut Channel, Conduit Size 1/2 in, For Use With 1 5/8 in Strut Channels, Package Quantity 25