EZ Loader Boat Trailer 10" vented disc brake rotor for 5 on 4.5 hub. Rotor is made from cast iron and zinc coated for marine applications. The rotor is vented to reduce heat build up. Fits on the 5 lug hub (13" to 15" wheels) and axles with an up to 3700lb capacity. EZ Loader has been using these rotors since 2013. Actual diameter is 10.5".
