It's the fixed teeth that give this Viper its name, along with the fiberglass strands that make it strong and durable – far more than any conventional plastic nozzle. Made of composite material with brass internal stems, these nozzles shut off past straight stream and fog position. Their burst point is about 930 P.S.I. with a melting point of around 250 degrees. Weight: 12.5 oz. Length: 5-¼". 95 gpm, 1-½" N.S.T. Rigid Base.