About this itemOptionally use the 6ft Add-On to connect to a 6ft Streamline Bay. Each additional bay can be added to either the left or right of your base Streamline bay. Gym Rax modular wall systems perfectly complement any home training environment. Store your exercise equipment neatly and where you need it most. Utilize the gym storage for medicine balls, kettlebells, dumbbells, strength bands, foam rollers, yoga mats, and more. Adjustable shelving allows for the customization and interchangeability of shelving within every Bay - no tools required! Features