Slide-Co 113728 Screen Door Tension Spring, Side Adjustable, Andersen Product Description This screen door roller is constructed from nylon. It features an adjustable design that fits on Anderson Doors. It comes complete with fasteners for a quick and easy installation. From the Manufacturer This screen door roller is constructed from nylon. It features an adjustable design that fits on Anderson Doors. It comes complete with fasteners for a quick and easy installation. Features 1 in. high density polyethylene roller 7/32 in. wide Concave (grooved) roller 1/4 in. axle hole Comes with a #8-32 x 3/8 in. machine screw and binder post Used by Air Control and a variety of other door manufacturers USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.