... 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 steel 304,316(CF8,CF8M)3 ... Connection:threaded(NPT,BSPT,PT)9),Operation:manual one piece ball valve(1 pc ball valve,ball valve,ss ball valve)