ToolPRO's range of Hardcase Organisers is the only to offer an IP65 protection rating meaning your contents will be safe from dirt, dust and limited water ingress. Manufactured from ultra high impact resistant plastic this organiser offers protection from impacts and droppage as well as easy visibility of contents. When closed using the clip style clasp you can purge the internal pressure caused by temperature or altitude changes using the valve located on the front of the unit.