This sliding pocket door bottom guide is constructed of steel and comes with plastic guides. This bottom guide mounts with 2 fasteners and it is designed to accommodate 1-3/8 inch thick doors. This single guide supplies 1 pocket door system. The length of this pocket door guide spans 3-1/4 inch and it has a reach of 1-1/4 inch. This bottom guide is easy to install and it is used by many pocket door manufacturers.