Ultimate tandem axle kit of 2 x 3500lb HD with 4 electric brakes. With their 3" tube diameter, the "Heavy-Duty" is real ! 

This is the ultimate 3500 lb HD axle kit with 2 electric brakes. With their 3" tube diameter, the "Heavy-Duty" is real ! 

The complete 4" lowered single-axle heavy duty trailer axle set with electric brakes and 5 studs, rated for 3500lbs, is designed for your trailer's safety and stability. It includes electric brakes for improved braking performance, a load capacity of 3500lbs and a lowered design for a lower center of gravity. 

This complete set of 2 x Heavy-Duty 3500 lbs 4" lowered trailer axles is highly appreciated for the rolling stability it provides. The 10" electric brakes will safely stop the trailer at any moment.