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Checkpoint Wheel Nut Indicator 21 mm Yellow – Visual Indicator for Fleets, Industrial Trucks, Agricultural Vehicles, and Goods Transporters – Lug Nut Arrows Yellow 21 mm (Bag of 100 Pcs)

4.8 (2) Write Review
Free shipping on orders over $31.42

$69.40

$ 31 .68 $31.68

In Stock

1.Size:21 Mm Yellow (bag Of 100 Pcs)


About this item

  • INSTANT VISUAL INDICATOR: These dual-purpose one wheel accessories quickly indicate and retain against unwanted wheel nut movement, and indicating any overheating of wheels caused by faulty brakes or bearings to prevent the wheel from coming off.
  • SUPPORTS FLEET SAFETY CHECKS: Enable visual checks and monitoring to see in real-time what's going on with all of your wheels with our wheel nut indicator! It keeps track of wheel nut tightness, so that they don't slip and cause engine damage.
  • BIODEGRADABLE & COST-EFFECTIVE: Our loose wheel nut indicator is tested and verified by ASTM D5511 for enhanced biodegradation in biologically active landfills, saving the planet from over 200 tons of plastic waste each year.
  • EASY OPERATION: Install these wheel nut indicators over the wheel bolt. By placing the Checkpoints in a recognizable pattern such as point to point, any movement of the wheel nut is clearly visible at a glance. It melts at 125ºC or 257ºF to highlight overheating issues with the wheel or application.
  • MULTIPLE FITMENTS: Mainly for commercial vehicles such as trucks, agricultural vehicles, dangerous goods transporters, this visual indicator is also used in the industrial sector, and wherever safety critical fasteners can loosen due to heavy vibrations.


The Checkpoint visually indicates wheel nut movement. By placing the Checkpoints in a recognisable pattern such as point to point, any movement of the wheel nut is clearly visible at a glance. This assists the visual inspection of lug wheel nuts, identifying when a wheel nut loosens, to prevent the wheel from coming off. It also melts at a specific temperature (125ºC/257ºF) to highlight any overheating issues with the wheel or application. *Checkpoint products contain a Bio Additive that has been validated by independent ASTM D5511 tests to yield enhanced biodegradation in Landfill Conditions, saving the planet from over 200 tonnes of plastic waste each year. 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.


Kathleen Thompson
Reviewed in Canada on November 9, 2024
Yep, they are expensive but you’re not loosing a wheel on the highway and killing somebody
Vincent A.
Reviewed in the United States on January 23, 2018
Fit my Ford e350 box van
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