Compatible original spec replacement anvil for ½" drive IR 2135 TiMax / 2135 QTiMax / IR 231 C / IR 231 HA/ IR 231G impact wrench. Guaranteed to the exact fitment as the original Ingersoll Rand parts. Overall Length: 3.670 inch Includes a set of O-Ring and retainer clip to go along with the anvil upon purchase.