Ground Spike A fantastic ground spike for pegging down your umbrella with a tensioning line or the umbrella tent via its securing rings. With its threaded shaft it can be twisted into the hardest of ground. Length: 19cm. Safety instructions: Not a children\’s toy! This item is intended for fishing purposes only and should only be used by children under supervision. It may contain small parts that could be swallowed! Risk of injury,using the mechanical attachments possible!