The Jacked Javelin Complete Plyo Ball Kit includes all six weights (400g, 600g, 800g, 1kg, 1.5kg, 2kg) so throwers can train every phase of development—from speed drills to heavy overload. Built durable for year-round use on any wall or surface.

✅ All Weights Covered – Full progression from light to heavy.

✅ Versatile Training – Speed, power, strength, and arm care.

✅ Durable & Reliable – Reinforced shells withstand repeated impact.

The ultimate training kit for serious javelin throwers, comes with our signature Jacked Javelin Box and includes free shipping!