Two 7" elctric trailer brake magnet replacement kits - 21023 2 new replacement manget kits for the standard 7"x1-1/4" or 7"x 1-1/2" electric trailer brakes works with most 2,000 lbs trailer axles in the market Includes: 2 Magnets with wire, 2 coil springs,2 retainer clips, 2 wire retainer clips