Slide-Co 161933 Bypass Door Guide and Riser Wardrobe door nylon bottom guide & riser Guide adjusts from 3/4 inch to 1-3/8 inch thick doors 1/8 inch thick plastic shim plates to raise guide top to 5/8 inch above carpet Nylon bottom guide adjusts from 3/4in. to 1-3/8in. thick doors Multiple riser plates for correct height adjustment Risers made of thin plastic wedges Easy to install