Rigid Strut Clamp 3-1/2"? - Extra-durable Rigid Strut Clamp.Rigid Strut Clamp 3-1/2" features include: This durable rigid strut clamp has a Zinc Electroplate Finish Secures Rigid/IMC conduit to strut Suitable for Rigid and EMT Order Qty of 1 = 1 Piece Below is more info on our Rigid Strut Clamp 3-1/2"