Strengthen, stretch, and prevent injury with the Quadruple Warm Up: the ideal accessory for those prepping their muscles before exercise. Constructed from industrial-grade material, this durable American-made fitness equipment is perfect for outdoor use, especially on tennis courts, golf courses, fitness trails, and community centers. Get maximum muscle-building effectiveness with the option of adding a weighted resistance component. Choose from four kinds of exercises to work each arm, leg, and back muscles. Galvanized steel with powder-coat paint provide added safety and it meets the national standards for year-round outdoor use. Whether you're at local parks, fitness parks, or your HOA, don't hesitate to take in the sights and stretch your thighs with the Quadruple Warm Up!