... 16mmVarious design of finials on website.Anti-rust treat Curtain rod (curtai pole,curtain pipe) :Pipe Type: plain pipe, twisted ... 16/19mm,25/28mmAnti-rust treatCurtain bracket (curtain support, curtain holder, curtain fix):Bracket type: double bracket, single bracket ... 19mm,22mm,25mm,28mm,35mmAnti-rust treatCurtain Rings (curtain hardware,curtain accessories):Material: iron/steel, plastic, zinc-alloy, ...