Height: 100 cm. The Gibbon ground screw for securing the slackline is the perfect fastening option for any type of ground. It allows you to slackline even without a tree. The screw is available in lengths of 70 cm and 100 cm. The 70 cm ground screw is ideal for established soil and can withstand loads of up to 2 tons. The 100 cm version is suitable for sandier ground, as the screw goes deeper. Product details: Material: Steel, max. load capacity: 2.5 t, weight: 3.4 - 4.2 kg.