Luxotech offers the Blum tandem Plus blumotion complete Kit. with100 lbs static load-bearing capacity, full extension and soft closing. The drawer slides can be four-dimensional adjusted and have elongated holes for depth adjustment & bottom mount holes that allow you to mount the slide to a shelf or the bottom of the cabinet. Blum tandem fits 1/2 inch - 5/8 inch drawer side thickness. The complete Kit is supplied with 12 runners, 12 locking devices, 12 rear brackets (needed for face frame only application) and screws.