Sentinel Bird Scarer Globe – Wind DrivenHeavy duty construction with innovative design features Built to last. Supplied with high density ABS plastic hubs incorporating rust proof nylon bearings. Simple and fast assembly due to moulded ends being pre glued, secured with nylon rustproof screws. Heavy duty wind driven bird scarer with bright replaceable vanes Telescopic shaft allowing height adjustment in growing crops Strong freestanding tread in forks Easy to move from field to field