The MILWAUKEE(R) PACKOUT(TM) Tool Box M18(TM) Battery Rack Attachment delivers quick access to batteries while on the jobsite. Fully customize your tool box with the ability to mount your M18(TM) Batteries to the outside of your stack. Additionally, the impact-resistant body offers maximum durability in any condition. PACKOUT(TM) is the industry's most versatile and durable modular storage system. | Milwaukee Tool PACKOUT Tool Box M18 Battery Rack Attachment 48-22-8603