4" pass-through beer shank is perfect for making your own jockey box. Drill a 1" hole through the cooler, insert the shank, and use the two attached nuts to tighten up on the cooler. 

Includes:

• 4" shank with 3/8" bore
• 2 nuts

Also needed but not included two tailpieces, two beer shank nuts, and two beer shank washers.