2.5" to 2" Ball Mount Receiver Hitch Adapter Tube Part#: HT25
Converts 2.5" receiver hitch to 2" receiver. Outside measures 2.5"x 2.5"x 5.5" Inside Measures 2"x 2" Pin center is at 3" from one end and 2.5" from other end Adapter slides into 2.5" receiver with 2"x 2" ball mount