Progress through three plyometric heights with a steel jump box set featuring 12, 18, and 24 inch platforms each rated at 500 lbs. Powder-coated steel tubing in a stable trapezoidal frame prevents tipping during explosive box jumps and step-ups. Textured silicone top surfaces and rubber base feet provide dual anti-slip protection for confident landings. Easy bolt-together assembly gets the set ready quickly, and all three boxes stack inside one another for compact storage between workouts.