Improve your speed and foot work with this set of 5 adjustable speed hurdles. With 4 possible adjustments: 6″, 9″, 12″ and 15″, you will never be bored with your workout. Challenge yourself with varying drills and improve leg drive and agility. • Pack of 5 adjustable speed hurdles • 4 adjustable height options: 6″, 9″, 12″ and 15″ • Improve foot-speed and tone leg muscles • Easily adjust to vary your workout and improve your foot skills • By Trademark Innovations.