Plyo Hurdles offer a wide variety of uses from jumping, hopping, walking, and change-of-direction movement. Molded rubber base with high-impact, yellow PVC posts. Adjustable in 4 inch increments, from 12 to 40 inches. Sold in a set of four hurdles with a carry bag. Assembly is required. Since 1986, Power Systems' passion for fitness has been fueled by our customers. Power Systems is committed to ensuring people have the tools to lead active lives with professional-grade products, cutting-edge educational materials, and elite customer service. “Power Your Potential” is the philosophy that guides everything Power Systems stands for.