Washer Steel Width 1 5/8 in Depth 1 5/8 in Thickness 1/4 in Finish Galvanized Silver Bolt Size 1/2 in Conduit Type Strut Channel Conduit Size 1/2 in For Use With 1 1/2 in Strut Channels 1 5/8 in Strut Channels Hole Diameter 1/2 in Package Quantity 25