Lightweight high quality build nozzle Easy to install drop in internal part Designed to be compatible with CA SCAR-L and PTS Masada O-ring nozzles provide excellent seal Great for use as an replacement part for your PolarStar JACK In the Box 1X JACK Nozzle Specifications: Brand PolarStarBuild Delrin thermoplasticCompatibility Classic Army SCAR-L and PTS MasadaFitment PolarStar JACKColor WHITE California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov