... ball valve high quality but competitive price,easy to istall,safe and convenient to use,lock handle is available. three piece ball valve(3 pc ball valve,ball valve ... ,ss ball valve) 1),Size:1/4"-------4"2),Material:stainless steel 304,316(CF8,CF8M)3),Pressure:1000WOG ... PT)9),Operation:manual three piece ball valve(3 pc ball valve,ball valve,ss ball valve)