These Adjustable Deluxe Murphy Bed Kits include all the necessary hardware included in our deluxe kit, but the mechanism is adjustable so you can fine tune it to perfectly match the weight of your mattress. One tug is all it takes, and the bed folds out smoothly and silently on state-of-the-art gas pistons. The folding bed hardware is finely engineered, counterbalanced for smooth operation without binding or overextending, and uses a sophisticated piston lift system rather than old-fashioned springs that can break and slacken over time. The beds are held securely closed, and open gently for safety. Steel pivot pin install easily without adjustments. Includes instructions for basic cabinet construction. Technical Details: Adjustable Deluxe Murphy Bed Hardware Kits include folding tube legs, which are totally concealed inside the bed cabinet when it is closed and are manually rotated over the end of the bed face panel when it is lowered out of the cabinet. The perfect wall bed hardware for guest beds, small rooms, dorms and apartments. State of the art piston lift system and counter balancing ensure smooth operation. No floor mounting required; Cabinet must be anchored to the wall to ensure safety. Cabinet can be made of plycore, particle board or solid wood. Maximum mattress thickness: 12" Recommended for standard mattress sizes; no box spring is used. Hardware kits carry a Lifetime Warranty. Basic Cabinet Dimensions for Adjustable Side Mount Deluxe Murphy Beds: Queen (46362): 68-5/16"H x 86"W x 15-7/8"D (closed) x 67"D (open) What's in the Box? (1) Adjustable Side Mount Deluxe Murphy Bed Hardware Kit in queen (1) Detailed Instruction Booklet and Cut List(Lumber and Mattress not included)