Improve power and explosiveness of athletic performance.

• Set of 4 boxes, 12″, 18″, 24″ and 30″ H
• Welded steel frame construction
• Solid, textured 1/8″ rubber tread surface
• Black powdercoat finish
• Frame is 1″ square steel tubing
• Nestable design for compact storage
• 30″ W x 30″ D x 30″ H
• 90 pound motor freight shipment