Slide-Co 16218-B Closet Door Tandem Roller with Back 1/2 inch Offset and 7/8 Product Description These 7/8 in. round edge nylon twin wheels come affixed to a 1/2 in. offset adjustable bracket. They feature a top hung design that mounts to the back of your door. Easily fits a 3/4 in. to 1-3/8 in. thick doors. From the Manufacturer These 7/8 in. round edge nylon twin wheels come affixed to a 1/2 in. offset adjustable bracket. They feature a top hung design that mounts to the back of your door. Easily fits a 3/4 in. to 1-3/8 in. thick doors. Features Used by Acme, Stanley and a variety of other wardrobe door manufacturers Fits 3/4 in. to 1-3/8 in. thick doors 1/2 in. offset used for the rear door Stamped steel bracket with nylon roller assembly 7/8 in. diameter roller All the necessary mounting hardware is included for a quick and easy installation 7/8in. O.D. Twin wheel 1/2in. Side mounting to back of door Offset adjustable bracket Round edge nylon wheel Fits 3/4in. to 1-3/8in. thick doors USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.