... alloyDiameter:Φ16/19MMSurface dealing & Color:plated nickel, black(resin part)Bulk package:plastic bag, outer in carton FULL ... aluminum alloy, stainless steel, plastic , resin ,wooden, crystal 2. diameter: for the rod 16mm,19mm,22mm,25mm,28mm3. surface ... after-sales service 5)Experience: We specialized in manufacturing curtain rod, curtain finial and some other related accessories. Thanks for your ...