DEEMAXX trailer brakes offer superior braking power and performance. DEEMAXX brake calipers have been tested and passed the SAE J2681 brake test. This braking system will work on 3500lbs axles with 5 bolt hubs that have a 5 on 4.5 bolt pattern. The brake rotors feature a special coating developed by DEEMAXX called MAXX Coating that will provide superior protection from the elements. Included with this brake system is (2) MAXX Coating rotors, (2) Stainless Steel Calipers with Ceramic brake pads, (4) Stainless steel slide pins, (2) Maxx coated Mounting brackets. The brake pads will also include a limited lifetime warranty.