Tests have shown that Mark 4 Shock takes more wheel power than conventional rubber blocks. Due to the fact that the Mark 4 Shock does not roll under the wheel due to the flexibility of the material and its unique shape. Reflex that acts as a reminder to remove all chocks, making it easy to see a forgotten Mark 4 Shock behind a wheel.
4kg x 2
Boeing 747, 737, 777 or Airbus A380, A320 or similar