Superb clever & simple interconnecting plastic dollies which can be linked lengthways & sideways at the same time to make larger platforms. * Durable injection moulded plastic platform * Fitted with slip-resistant discs to aid load retention * Smooth silent running and fully enclosed non-marking, ball bearing 75mm diameter swivel castors with reduced rolling resistance making it easier to move loads. * Up-to 10 dollies can be stacked together when not in use. * Integral handle holes for easy carrying