12 Vehicle trailer parts and components, namely, axles, tires and wheels, brakes, wheel hubs and brake drums, trailer kits sold as a unit consisting primarily of axles, tire and wheel assemblies, springs, ubolts, hangers, lights, jacks, wiring, and couplers; trailer blueprints sold as a unit with vehicle trailers; axle components for trailers in the nature of bearings, races, seals, hub caps, tire studs, lug nuts; spring seats for vehicle suspension; suspension parts, namely, springs, ubolts, hanger kits consisting primarily of suspension hangers, equalizers and bolts; couplers being locking devices for vehicle trailers; safety chains for connecting trailers to vehicles and for controlling trailers in the event of hitch ball or coupler failure; hitch balls, hitches, tie down accessories for vehicle trailers in the nature of stake pockets and d-rings; vehicle trailer fenders and backs; handles being parts of vehicle trailers