Prime Line D1513 Glass Door Roller Assembly

1-1/4 in. nylon ball bearing sliding door roller assembly. this sliding glass door roller assembly is constructed from steel and features a height-adjustable housing. the concaved (grooved) edge wheels installed in these roller assemblies are constructed of plastic and include steel ball bearings for smooth and long-lasting operation. the wheels are designed to glide on a single raised aluminum or steel track. this item includes only one roller assembly per package, but a total of 2 roller assemblies are required for each sliding door. these roller assemblies are used to repair patio sliding doors with missing, damaged or malfunctioning roller assemblies. installation easy to install with a few simple tools. this style roller is used on revco-west and similar styled patio doors. refer to dimensional line drawing to match product specifications.