For Retrofit or New Installation No Glass Fabrication Required Set includes: 3" Frameless Shower Door U-Channel with 2" Magnet and Rubber Gasket - for use with glass 1/8", 5/32", 3/16", 1/4" thick Clear 100% Pure RTV Silicone Sealant - 0.5 oz. Squeeze Tube Finish: Bright Chrome Handle Size: 3 in Magnet Size: 3 in Installation Instructions: The included 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 glass thicker than 1/8" or if the handle is too tight, do not use the gasket. Use included Pure Clear Silicone Sealant 100% RTV - 0.5 oz. Squeeze Tube.