- Hanging tool holder for Perforated Mounting Wall (code 720643). * Art Nr: 720655 * EAN Code: 5905669046152 Designed for hanging ring spanners, or tools with a ring wider than 5mm. Can be mounted on Perforated Mounting Wall art. 720643 or on diagonal stand art. 720644. * This hanger is mounted and secured by a safety plug, to avoid unintentional fall off * Ring spanners or other items can be stored off the work bench surfaces, but still within easy reach * Enables you to personalise your work area