These Niels Larsen Agility Trestle are a cost effective way of adding height to a gymnastics session. Use with other agility or linking apparatus to create courses. The bars on 3 sides allow for the attachment of a variety of linking equipment pieces. Available in 3 heights, 61cm, 91cm and 122cm, as well as a set of 3. Bars at 3 sides, with the fourth side clear to allow them to enable stacking for storage. Rubber feet to protect gym floors. What's in the Set?. 1 x H61 x W92.2 x D52cm agility trestle. 1 x H91 x W102.6 x D73cm agility trestle. 1 x H122 x W114 x D96cm agility trestle. ;.