... Neutral-Down Equipped with overload value Oil drum clamp/Oil Drum Manual/Hand Pallet Truck The oil ... oil drum, drum clamp automatic loosen.Oil drum carrier of oil drum clamp instructions:Before using a, please in ... automatically adjust the scope of work, make the clamp catch can work normally. In this way, ... barrel to make barrel put stability, and will clamp down to the dead center, and then lifting, ...