Prime-Line M 6053 Frameless Shower Door Top Bracket Roller, Line Products Product Description The Prime-Line M 6053 Frameless Shower Door Top Bracket Roller Assembly is constructed of extruded aluminum and comes in a glazing vinyl and chrome finish. It features round edge plastic wheels and has steel ball bearings to provide for long-lasting, smooth operation. These types of top hung roller assemblies are designed for use with sliding glass shower doors that do not use a frame. Installation tip: to prevent glass from slipping out from roller assemblies, follow the installation instructions which require the application of a small amount of clear silicone adhesive (RTV-108) and a 24-hour dry time prior to hanging/using doors again. From the Manufacturer Extruded aluminum bracket with glazing vinyl. Accepts up to 1/4 In. thick panels/ 3/4 In. outer diameter with an oval edge nylon ball bearing roller. Used on solid glass panels with no frame. FRAMELESS SHOWER DOORS ? The Prime-Line M 6053 Frameless Shower Door Top Bracket Roller Assembly is used to replace damaged or missing frameless shower door top roller assemblies; Pack of 2 ADJUSTABLE BRACKET ? It includes an adjustable bracket with a diagonal mounting slot TOP HUNG DESIGN ? This is a top hung design with 3/4 inch ball bearing roller GLASS PANELS ? Accepts up to 1/4" thick glass panels PRIME-LINE GRADE ? We specialize in repair and replacement hardware products for your home; Prime-Line's commitment to quality results in repairs which look as good as the initial install, making us the go-to solution for our loyal customers