The CURT Hitch Adapter can be used for many different purposes when hitching up a trailer. Whether a ball mount shank is too small or too large to fit into a receiver tube, a CURT Adapter can make up the difference. Built with exceptional strength and designed to be precisely fitted for its application, 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.• Adapts a 2" receiver tube opening to fit a 1-1/4" shank• Extends receiver tube by 4" for added clearance• CNC-formed, robotically welded, and mechanically descaled for a perfect fit• Protected by a durable powder-coat finish• Gross Trailer Weight: 3, 500 lbs.• Tongue Weight: 350 lbs. Provides 4"" of extra clearance for bumper or spare tire Durable black powder-coat finish for rust, chip, & UV resistance 3, 500-lb. gross trailer weight / 350-lb. tongue weight | Curt Receiver Tube Adapter, 2" to 1-1/4" in Black