Strut Clamp For Use With 1 5/8 in Strut Channels Conduit MC/AC Cables Thickness 4 in Steel Finish Electroplated Color Silver Strut Trade Size 4 in Load Capacity 50 lb Thread Size 4 in Cable Range 3.850 in to 4.500 in For Strut Channel Size 1 5/8 in Includes Bolt Saddle Standards UL Listed