... CR,etc. 3. finish: plating/painting 4. material: steelcurtain rod set1)curtain rod Dia: 5mm, 7mm, 8mm, 10mm, 13mm, 16mm, 19mm ... diameter ranging from 4mm-60mm we can produce.2) curtain rod Type: plain pole, twist pole, reeded pole, oval ... ring without clip, ring with plastic inside. (metal or plastic)curtain holdbacks.curtain rod brackets:curtain bracket Type: single bracket, double bracket, adjustable ...