Highly stable and effective heavy duty chain post system. Includes reflective polypropylene post and recycled PVC base. Chain eye rotates 360 degrees on top of the 100mm diameter post, guiding the chain in any direction. Post twists and locks into the base. Plastic chain is sold separately.Simply thread the chain through the eye and secure to the end post with a connector link (58929 - sold separately). We recommend a maximum length of 2.5 metres of plastic chain between posts for stability reasons.Recycled rubber base includes carry handles for ease of transportation and is 570mm diameter with a weight of 8.5kg