Shower Knob Features: Made from solid brass  Elegant appearance and delicate structure With gaskets to prevent glass damage Designed for 6-12mm toughened glass  Finishes: Bright Chrome (BC) Satin Nickel (SN) Polished Brass (PB) Satin Chrome (SC) Physical Vapor Deposition(PVD) Oil Rubbed Bronze (ORB) Matt Black (MB) Other finishes available on request