Supplied packed one inside the other. This mid-size combo has smooth 25mm ball-bearing slides and all the features of the professional chests except that the rollcab is not lockable and the castors are Ø75mm. Overall Sizes (W x D x H): Topchest - 612 x 260 x 340mm, Rollcab - 615 x 295 x 700mm. Not interchangeable with the rest of the American PRO® Range. These boxes are not interchangeable with the rest of the American PRO Ball-Bearing Range.