Features include Legs rotate inwards for easy storage Easily adjustable between 6\'\' and 12\'\' Manufactured from durable, lightweight PVC Excellent for indoor and outdoor use; partner and solo drills For those who are looking to develop fast feet, agility, power and coordination. These Adjustable Hurdles can be made used for knee lift drills and plyometric jumps. Easily adjustable with a simple twisting action, these hurdles give you the benefit of regular hurdles while allowing you to increase the height and variety of your workout.