... :2000 Certificate 3. 3-5 Years Guaranty Brass Ball Valve 1. Brass Material MS58,MS59 CW617 CW602N,CZ132 Lead free brass2. Size 1/4" ,3/8" , 1/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2" , 2-1/2" , 3" , 4"3. Surface ... 5. Certification CE, ISO9001:20006. Guaranty 3-5 Years GuarantyProducts Photos:Handle for choice:Produce Process: 4" Brass Ball Valves with stainless steel handle