For Retrofit or New Installation No Glass Fabrication Required 3" Frameless Shower Door Handle with Metal Strike and Magnet, for use with glass thickness 1/8", 5/32", 3/16", and 1/4" . Set includes: Shower Door Handle with Stainless Steel Strike insert, Magnet and glazing vinyl. Color: Bright Chrome Handle Size: 3 in Magnet Size: 3 in. Installation Instructions: The included (black) rubber gasket is ONLY for use with 1/8” glass; place the rubber gasket over the edge of the glass on the desired area and apply the handle over the gasket (this may require gentle tapping with a rubber mallet). For all other glass thicknesses: if the handle does not fit over the gasket, or is too tight with the gasket, clear silicone (such as Part No. 99AS-GLAM) can be used to secure the handle to the door.