"This Tow Zone Electric Drum Brake Kit provides forward braking. Drum Size in. 12, Fits Axle Capacity lbs. 7,000, Fits Electric Brake Item 124996 and 124998, Fits Wheel Size in. 13-15, Hubs Included Yes, Inner Bearing Size in. 1 3/4, Brake Pad Size in. Standard, Brake Lines No, Brake Type Electric, Brakes Included qty. 2, Dimensions L x W x H in. 12, Outer Bearing Size in. 1 1/4, Seal Size in. 2.25, Stud Size L x W in. 3/8 x 16, Studs qty. 6, Bolt Circle Pattern in. 5 1/2. Includes two brakes left and right Water-resistant connections Rubber molded plugs for fast, easy installation Drum hubs are assembled with bearings, seal and pre-greased for easy installation Wiring kit includes two 20-ft. dual wire strips with easy plug connectors and five cable ties Brake controller and breakaway kit not included"