These are made of Heavy Duty Stainless Steel and made to last. Nipple will stick out 2 inches after it is threaded into water source.  Threads are 1/2"
- Stainless Fabrication
 
- 2.75" in length after threaded into pipe 2" will stick out
 
- Can be used with Gravity or Pressured water systems
 
- Barrel of the Nipple is 3/4" in Diameter