Hand spring expander 4FIZJO 10-40 kg adjustable

By purchasing from us a unique adjustable expander from the Polish manufacturer 4FIZJO, you will receive a modern hand-held exercise machine for optimal strengthening of the forearm and hand. Thanks to its adjustable resistance range, this device is ideal for quickly and targeted muscle strengthening without the risk of injury. The resistance can be individually adjusted from 10 to 40 kg, allowing for effective and intense training of the forearms and hand. Exercises with spring wrist expanders help improve blood circulation. Its convenient size makes it easy to transport and makes it an ideal companion for everyday use at home, at the club, in the gym, in the lounge or on the go.


  • Quality hand trainer
  • Strengthening the forearm and handle
  • Adjustable resistance
  • Durable spring
  • Easy to transport, can be used anywhere

Dimensions, sm 14 х 11 x 2
Load level, kg 10–40
Material Plastic, rubber, steel
Type Spring

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Carpal spring expander 4FIZJO 10-40 kg black-red

  • Brand: 4FIZJO
  • Product Code: 4FJ0252
  • Vendor Code: 0260
  • Availability: 1
  • 379 грн.