Hang-It-Yourself is a universal fit, auto aligning, DIY wall cabinet hanging system. It works on any pre-assembled or ready to assemble (RTA), framed or frameless wall cabinet that typically would be attached to a wall with screws through the cabinet rear panel. Each installation kit includes all the "rail length" specific hardware needed to install the rails and mount the cabinets on wood framed walls. Only the front face attachment screws are not included due to the varying sizes and styles recommended by each cabinet manufacturer. Figuring What You Need- 1) Calculate the overall length, in inches, of the cabinets that are to be installed in each layout space. 2) Select the rail kit(s) that provide this length in each layout space. It is acceptable for the rail length to be up to 6 inches shorter than the cabinet layout space. The 60" rail can easily be trimmed with a hacksaw. PLEASE NOTE: Due to shipping/packaging constraints, you can order up to 3- HIYW60 kits in one transaction. Additional kits must be ordered in separate transactions.