Prime-Line Products N 6900 Bypass Door Carpet Riser Set, Nylon,(Pack of 5) Plastic nesting risers used for mounting Bi-Pass closet door guides over carpeted floors Allows lift from 1/8 inch thick to 5/8 inch 1/8 inch thick x 5 inch L x 5/8 inch H 5 count The Prime-Line products 5/8 inch sliding wardrobe door bottom guide carpet riser mounts a door guide over a carpeted floor