Checkpoint 17mm Wheel Nut Indicator - Extreme

Checkpoint 17mm Wheel Nut Indicator

Checkpoint 17mm Wheel Nut Indicator

The original and world’s first loose wheel nut indicator.

Checkpoint® original was invented by Founder and CEO Mike Marczynski over 30 years ago. This simple intelligent product is still regarded as the best and highest quality wheel nut indicator available on the market today.


The Checkpoint® visually indicates nut movement. By placing the Checkpoints in a recognisable pattern such as point to point, any movement of the nut is clearly visible at a glance. This assists the visual inspection of lug nuts, identifying when a nut loosens, to prevent the wheel from coming off. It also melts at a specific temperature to highlight any overheating issues with the wheel or application.


  • An instant visual indicator of nut movement
  • Indicates possible faults with breaks or bearings through melting
  • Supports fleet safety checks
  • Cost effective and easy to implement

Checkpoint® provides a clear commitment to health and safety, and roadworthiness to other road users, and road and transportation associations such as: DfT, FORS, DVSA, HSE, FTA and RHA.

£3.75 - £3.95
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