R24 Hooks for Tool Storage System R24 hooks for use with Perforated wall panelsfor hanging tools, components and spare parts. Space-saving, efficient and organised storage for workshops, garages and factories. R24 hooks for hanging tools on Perforated Wall Panels Choose from 3 sizes: R24 Hook - Length 65mm - Dia 17mm R24 Hook - Length 80mm - Dia 26mm R24 Hook - Length 100mm - Dia 42mm