Handle With Lock Feature: Made from stainless steel Well-chosen material & refined workmanship Suitable for timber, metal & tempered glass door Back to Back installation on Doors. Gaskets to prevent the contact between glass and metal. Finishes: Polished stainless steel (PSS） Satin stainless steel (SSS) Polished stainless steel and Satin stainless steel (PSS+SSS） Titanium plated (Ti)