Glass InstructionsFor 1/4" to 1/2" Thick Tempered Safety Glass. OverviewFHC Back to Back Tubular Pull Handles with Removeable Metal Washers are design for frameless shower door applications. Built to last, our handle line is manufactured from heavy wall tubing for added durability and strength. The included removable metal washers will help hide any hole defects during the glass hole fabrication process. Included plastic washers and grommets will safely protect the glass from coming into contact with metal. Care & Cleaning GuidelinesFor best results, keep the following recommendations in mind when caring for your FHC shower door hardware. Your shower door should be dried daily with a soft towel or cloth to ensure its original finish. Do not use harsh cleaners or chemicals on the hardware, as many of the components are coated with a clear lacquer that will become damaged beyond repair. Always test your cleaning solution in an inconspicuous area prior to cleaning the entire hardware surface. Wipe surfaces clean using a soft, dampened cloth or sponge, and rinse completely with warm water immediately after applying the cleaning solution. Use only small amounts of liquid, gentle, cleaner. Never use abrasive products, sponges, or wire scrub brushes while cleaning hardware.Material/ConstructionBrass