bROK Black 1-1/4" to 2" Hitch Box Adapter. Transitions 1-1/4" hitch box to 2" for use with common accessories such as cargo trays. 2" box is ideal for accessories such as bike racks and can also be used for towing. Solid forged 1-1/4" Shank with 2" welded hitch box for optimal performance. Corrosion resistant black powdercoat finish. 6" long.