The vertical double hook is designed to fit the back panel to optimize the free standing outdoor shelf. The hook helps you keep track of garden tools, barbecue tools and other items used in relation to outdoor activities. The hook is available in one size with dimensions: width 4 cm, height 10 cm and depth 11.5 cm (when the hook is mounted on the back panel). The hook is made of stainless steel and can withstand all types of weather. Each package contains 2 hooks.