Top Cabinet Extension For the Extra Wide 6ft Tall x 4ft Wide Cabinet Seville Classics Heavy Duty Garage Storage Systems. Previously, these products were only available to the German, US and Canadian markets. We first laid eyes on these products in 2012 and we were amazed at the standard of engineering, quality of the finish and the attention to detail to which these products are built. Seville HD products are heavy duty yet modern, stylish and functional. These products can be used in the workshop, the office, as garage storage, in the laundry and much more. We are confident this is the best on the market. Features for this product include: Steel construction with a powder coated semi-gloss finish. Stainless steel door fronts. Full-length stainless piano hinges to both doors. Reinforced ribs to doors.