Step up your fitness regimen with the Cortex Plyo Box 12"(Black). Get the blood pumping with an explosive plyometric workout to improve strength and agility. With the 12" platform, this Plyo Box is the excellent height for step-ups, step-overs, or increasing the difficulty of other exercises like push-ups. Our plyo boxes are constructed with a high quality steel, making them stable and strong even through intense workouts.