Per4m Quick Hurdles improve knee lift and leaping power through intense stepping and jumping drills. 5 Quick Hurdles constructed of durable, lightwieght PVC Adjustable hurdle height: from 8 - 12 inch Hurdle legs rotate inward for easy storage 10 different drill cards for training and practicing BENEFITS Improve footwork and knee lift for enhanced performance Boost coordination and step effieciency to increase foot speed Increase total body control, quickness and leaping ability SPECIFICATION: Brand Jordan Usage Home Use, Commercial Use Condition Brand New Warranty 12 months