The 1/2" 3 piece ball valve is a staple ball valve for most home brewers. Ball valve has 4 bolts and 3 main pieces to the body that come apart with a socket or a wrench without removing it from your kettle or vessel. This 1/2" ball valve is made from 304 stainless steel and is a 3-piece design so it can be completely disassembled for cleaning. .