Manfrotto 181 Automatic Folding Dolly - BlackManfrotto 181 Automatic Folding Dolly Black BO181B Manfrotto Product Number 181B Single lever braking system controls all three 80mm wheels 3 8'' attachment to fix a head for low angle shooting Foldable legs for transporting and storage Black colour Single lever braking system controls all three 80mm wheels. Includes 3 8"" attachment which allows you to fix a head for low angle shooting. It folds legs for transporting and storage. Weight 158. 72 oz