2 new replacement magnet kits for the standard 12" x 2" electric trailer brakes, used for most brand 5200# -7000# trailer axles in the market. The listing has 2 kits, which are replacement for one axle Each kit includes: 1 x magnet with wire, 3 x wire retainer clips, 1 x magnet retainer clip These magnet kits are from our warehouse stock, which we wholesale to US trailer axle manufactures