... valve Brass ball valve: 1,Size: 1/4".3/8',1/2',3/4',1',11/4',11/2',2',21/2,3',4'2,Certificate: ISO9001 , CE 3 ... the goods in random during the period time of production. we are able to provide you test certificate and mill certificate ... to provide the colorful package against the design of customer 1/2' Long handle double female brass ball valve