Checkpoint DTY33MT Dustite Wheel nut indicator and dust cap - Yellow 1 5/16 in (33 mm) (Bag of 50 pcs)


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Checkpoint DTY33MT Dustite Wheel nut indicator and dust cap - Yellow 1 5/16 in (33 mm) (Bag of 50 pcs)

The Dustite combines a loose wheel nut indicator and a protective cap. Ideal for commercial vehicles, the Dustite can indicate movement of the wheel nuts and protect them from a wide range of external elements such as water, dirt, road salts and rust build up. By placing the Dustite in a recognisable pattern on the vehicle wheels such as point to point, any movement of the wheel nut is clearly visible at a glance during visual checks. The Dustite will also melt to indicate any overheating issues (125ºC/257ºF).

Dustite 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.

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. 

Features and Benefits

  • Combined wheel nut indicator and dust cap.
  • For wheels without trims and step rings.
  • A quick and easy visual indicator of wheel nut movement.
  • Indicates possible faults with breaks or bearings through melting.
  • Melts at a specific temperature of 125ºC/257ºF
  • Protection from weather, corrosion and general wear and tear.
  • The world's first biodegradable wheel nut indicators.


  • Materials: High-grade virgin polymer to ensure product quality and performance reliability for overheating indication.

Warranty Information


Martins Industries warrants to the original purchaser that its products are free from defects in material and workmanship. This coverage is valid for a period of 6 months to 3 years, depending on the product, starting from the billing date. The warranty will be voided if the product has sustained damage due to misuse, improper assembly, poor maintenance, any accident or any non-authorized modifications / repairs.

Any other information please call us up at 800-562-4791.