Curt Reducer Sleeve Set, 3" to 2-1/2" to 2" Shanks, 2 Pieces. Reduces 3" receiver tube opening to 2-1/2" or 2". Smaller sleeve can also be used to reduce a 2-1/2" receiver to fit a 2" shank. High-strength carbon steel construction. Protected by a highly durable carbide powder coat finish. Weight capacity limited to hitch capacity.