When it comes to your engine, you want to make sure that everything is running smoothly. But sometimes, things can go wrong—and you need a way to keep track of what's happening with your wheel nuts. The Wheel Nut Indicator is a smart and cost-effective solution to keep tabs on your wheels and tires. It's designed to quickly indicate when they've come loose or are over-heating. And if you've got a fleet, this loose wheel nut indicator can be used to keep track of the condition of all of your wheels at once! Our trailer tire lug nuts indicator is made from biodegradable materials! So, not only will it keep your fleet safe and secure, it will also ensure that it's safe for you and the planet. It also reduces the maintenance costs for your vehicle, while reducing your risk of wheel detachment accidents. 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. These lug nut arrows assist 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. Get your wheels on the right track with these work wheels lug nuts indicators. Saves time with increased safety, these are a must!