ESS Eyewear Replacement Medium-Clearance Nosepiece for P-2B Rx Eyeshield Compatible with ESS Crossbow, Crossbow Suppressor, Crosshair, ICE, and ICE NARO eyeshields Provides 2mm of additional stand-off than the Low-Pro Eyeshield Nosepiece Increases airflow for enhanced fog resistance This nosepiece is compatible with the ESS P-2B Rx Insert, but NOT compatible with ESS U-Rx or Vice Rx Inserts