... in different finish curtain rod, spring tension rod,curtain pole curtain rod describethe style describe curtain rod, spring tension rod,curtain pole1.rod: single and double ... zinc alloy,aluminum alloy,plastic,resin Diameter: matching with curtain rod Plating finishes or painting finishes3. rings: material:iron , ... Outer packing:cartion 10 sets per carton. curtain rod, spring tension rod,curtain pole