The part is on a Lane Chest of Drawers that is stamped with # 605-18, Ser-200260. The # 115411501 also appears on a sticker on the back of the chest. It is the plastic part that helps to guide the drawer onto the center track and measures approx. 1 7/8" long, 1 1/16" wide at the front, narrowing to 6/8", and is about 5/8" tall. It fits into the metal track and is fastened with one Phillips head screw.