Our PACKOUT™ Tool Box Attachment Mount allows you to fully customize your tool box. These mounts securely lock onto metal-reinforced corners to allow any PACKOUT™ Tool Box Attachments to easily connect or swap out. This product offers a 25lb weight capacity when mounted to your stack. The impact-resistant body offers maximum durability in any condition. MILWAUKEE® PACKOUT™ is the industry's most versatile and durable modular storage system.