Prime-Line N 7015 Pocket Door Guide, Plastic, Jamb, Side Mounting

N 7015 is a set of left and right hand nylon pocket door guides that can be used for any thickness door. It is a universal fit used by many pocket door manufacturers that is screwed onto the jamb under the trim. It has slotted holes for adjustment in or out. It keeps the door from hitting side to side as it slides back and forth.