19 ACCESSORIES AND COMPONENTS FOR TRAILER VEHICLES-NAMELY, COUPLERS; COUPLER BALLS; COUPLER REPAIR KITS; BRACKETS; ROLLERS; AXLE SPINDLES; FENDERS; HUB CAPS; SIDE MARKER REFLECTORS; DOLLIES; SPARE TIRE AND DOLLY ASSEMBLIES FOR MOUNTING ON THE TONGUE OF A TRAILER FOR STORAGE PURPOSES AND TO SUPPORT THE FRONT END OF A TRAILER WHEN DISCONNECTED FROM A TOWING VEHICLE, AND SPARE TIRE CARRIERS