... /35mm;5) Material: Iron, brass, aluminum, stainless steel, plastic,6) Wall thickness: As customer request. curtain rail: 16mm/20mmshower curtain rods ... )curtain holdbacks.curtain rod brackets:curtain bracket Type: single bracket, double bracket, adjustable bracket. ceiling bracket, wall bracket, bar bracket, close bracket, open bracket. curtain hooks. Material: aluminum-alloy, zinc ...