American Equus Aluminum Cavaletti Horse Jumps are hand-crafted from aircraft grade aluminum, TIG welded for extreme robustness then Powder Coated for a long lasting durable finish. The jumps offer easy set up with a variety of heights from 4′′, 12′′, 20′′ that allow a low grid or bounce workout. Sold in pairs, these Cavaletti work with a 3.5′′ – 4′′ round poles.