Ball Style Corporation Stop made from No-Lead brass with Male National Pipe Thread inlet, full port ball opening and Male National Pipe thread outlet. Incorporates an O-ring sealed, blow-out proof, 360 deg rotation, standard operating head. Valve is designed for maximum operation pressure of 300 psig. Includes a PTFE coated brass ball supported by two blow-out proof EPDM reinforced port seals. End piece has dual seal which includes an O-ring and thread locker which also prevents accidental removal.