This CURT receiver adapter/extender converts a 2" x 2" receiver tube opening to a 1-1/4" x 1-1/4" opening. It installs easily and provides 4" of extra clearance for a bumper or spare tire. It has a gross trailer weight capacity of 3, 500 lbs. and a tongue weight capacity of 350 lbs. This CURT adapter has a durable black powder coat finish to ensure excellent rust, chip and UV resistance. | Curt Receiver Tube Adapter (2" to 1-1/4" Shank, 3,500 lbs. GTW, 4" Length) #45770