2-1/2 Reducer SleeveAdapter reduces a 2. 5" x 2. 5" hitch receiver opening to 2" x 2". It can be nested with the RHXA2183 to provide a 3" x 3" to 2" x 2" reduction in hitch size. Adapter reduces a 2. 5" x 2. 5" hitch receiver opening to 2" x 2" Slides directly into your hitch or onto the shank of your accessory Adapter stops when flush and holes are aligned Slotted holes ensure fit Cutout notch allows removal with a screwdriver or other tool Dual e coat and Powder Coat