Bathroom knob Material:Zinc-alloy Finish: Chrome; Satin-nickel Suitable for 8-15mm thickness glass Bathroom knobMaterial:Zinc-alloyFinish: Chrome; Satin-nickelSuitable for 8-15mm thickness glass We designs and produce many kinds of hardware products such as glass door lock,glass door hinge, patch fitting,glass door handle,floor spring,glass sliding/swing/folding door fittings,shower knob, ...