Outfit your semi truck to be Ready for the Road Ahead with an efficient weight distribution across axles, with the Right Weigh 3.5" Tandem Axle Load Scale. Due to its sophisticated design, this replacement component is the ideal part to check the weight of each axle to optimize balance amongst the wheels. Manufactured with a weather-resistant enclosure to deliver year-round reliability. FleetPride is your First Click in Heavy Duty .