... piece ball valve high quality but competitive price,easy to istall,safe and convenient to use,lock handle is available. one piece ... ball valve(1 pc ball valve,ball valve,ss ball valve) 1),Size:1/4"-------4"2),Material:stainless ... ,API6D8),Connection:threaded(NPT,BSPT,PT)9),Operation:manual one piece ball valve(1 pc ball valve,ball valve,ss ball valve)