ITSA GOAL Plastic Spectator barrier spacer to raise socketed posts inside the ground sockets. This is aluminium tube 70mm diametre and can be cut in various sizes to lift the post. We can supply 50mm,40mm,30mm, and 20mm spacers. This price is for one spacer. please advise size on your order. For a quick immediate solution, pea gravel can be placed inside the ground socket to lift the post.