New Age 1622 Open Frame Milk Crate Dolly - Sixteen 13" x 13" Crate CapacityThis New Age 1622 is specifically engineered to transport and store sixteen 13" x 13" milk creates. With a four stack, open frame design, this Milk Crate Dolly has a durable construction. Its framework is made from wall tubing with a 15 16" leg to create a lip to hold the crates in place. This 1622 Milk Crate Dolly comes with four 5" platform type swivel casters, making it easy to maneuver. Features and Benefits: Open frame (4) stack Specifically