These are Javelin balls originally called 'Nockenballs'.
This design simulates the Javelin hand-grip which helps as a guide for a correct throwing practice.
They are very strong, but soft enough for Indoor or Outdoor Safe Throwing.
The diameter of the these balls are 10cm - They are colour-coded for an easy weight recognition.
Nelco Nocken Balls
These are Javelin balls originally called 'Nockenballs'.
This design simulates the Javelin hand-grip which helps as a guide for a correct throwing practice.
They are very strong, but soft enough for Indoor or Outdoor Safe Throwing.
The diameter of the these balls are 10cm - They are colour-coded for an easy weight recognition.