All Upper Storage Cabinets Are Wall-Mounted. Uprights & Back Panels Are Sold Separately For Free-Standing Units. Model #SPUSW-HSO & Model #SPUSWH Are Used On End Unit Hybrid Workbenches Only. Model #SPUSWH Is NON Slide-Out. If Tool Storage Requires Matching Keys, You Must Provide Key Number With Order. If Tool Storage Requires (2) Locks, You Must Order (2) Shure Lock & Rods Model #900815 & Specify Matching Key Number If Desired. Must Specify What Type Of Cabinet To Receive The Correct Cam For Lock. All Weights & Dimensions Are Approximate.