This size is appropriate for the 1/2" hose. This is a time-saving product. Forget about using screws and tools to tighten these clamps, all you need is your hands. ...
This is stainless steel nipple with 1/2" Female NPT threading on one end and a 1/2" hose barb on the other end.
For Insertion into a ball valve for connecting 1/2" ID line. Made from 304 type stainless steel.
For insertion into stainless ball valve for connecting 3/8" ID line. Made from 304 Stainless Steel.