... : nickle plated A : zinc ball valve B : zinc ball valve is iron ball C : zinc ball valve is iron stem D ... : zinc ball valve is steel handleE : zinc ball ... ,no problem , we also could do for you by your requirements, the size we could FF1/2" , FM1/2 ... /4" ,FF2-1/2" ,FF3" , FF4" , welcome your cooperation ! zinc ball valve,ball valve , valves