Sliding Door Sliding Track --- This glass shower door bottom guide assembly is used to keep the shower door properly aligned and is easy to install in conjunction with a sliding shower door bathtub enclosure constructed of an extruded metal frame. | Shower Door Plastic Guide Size --- Sliding shower door plastic guide rail 3 inches long, 1-1/2 inches wide, a wall height of 9/16 inches, and a guide passage 1/2 inch wide, fits glass thicknesses of up to 7/16 in, the right size won't take up much of your time and space. | High Quality --- Shower door replacement parts are made of highly durable materials that are well-crafted, durable, and tested in multiple processes before leaving the factory to ensure their quality meets standards. | Easy to use --- An excellent alternative to guide parts for glass shower doors. It is easy to install and enhances the sliding of both shower doors. Note that there are no screws attached to the shower door replacement parts, you can prepare it yourself or glue it in place with clear silicone. | Excellent Service --- If you have any suggestions or questions about sliding shower door bottom guide m6219, please let us know by Email and we will reply you within 24 hours.