If you need a place to store numerous cylinders in various sizes, the Multi cylinder storage trolley is ideal because it has 12 sections for D or E cylinders. Check with MCW if you need a wall-mounted version. The trolley dimensions are 430W X 590D X 1000mm, and it includes 4 standard anti-static castors. It has a strong stainless steel finish with epoxy coat, and the base board features non-slip rubber to help ensure secure storage and transporation. There's a safety chain to securely hold cylinders in place.