Its time to go mobile! These sturdy 3-inch casters bring unbridled mobility to your MVP Disc Station, allowing for an entirely new level of flexibility in your organization. Whether youre a retailer reorganizing your store, or a collector simply moving things out of the way, these casters are perfect for anyone trying to maximize the utility of their space. Each pack of casters includes 2 standard casters, as well as 2 locking casters, ensuring your Disc Station moves easily when needed but stays put once its there. Compatible with the MVP Disc Station VI, MVP Disc Station II, and MVP Disc Station III. The Disc Station Caters ship in 4-packs (4 casters per pack).