SHELL SHELF PACK: All aluminum dividable shelving units with stainless steel hardware. Available in two widths, 11” and 17”, and three lengths. Each pack contains one dividable shelf and one standard shelf. Shell shelving utilizes a revolutionary dimpling process (patent pending) adding incredible strength, while maintaining light weight. Mounts easily to ceiling of Secure Shell™. Can accommodate Parts Bins. Internal shelf height easily adjustable. All hardware included, Parts Bins and accessories sold separately. Installed in 30 minutes.