SPUR® Steel-Lok 200mm (8") shelf support book ends for use with wooden shelves 200mm depth is great for your treasured vynl singles and for books. ----------------------------------------------------------------- SPUR® Shelving Steel-Lok 200mm (8") shelf support book ends for use only with wooden shelves. These shelf ends support the end of the shelf and can be combined with 145mm brackets for longer runs of shelving.