Double Air Line Fitting Bulkhead only.
 
Raw aluminum bulkhead
Proudly CNC'd in our Orange, CA shop
Work perfectly with modern DOT air line hose
Threaded with 1/4" NPT
Can be Cerakoted upon request
We use these on all our Old Anvil Speed Shop chassis
 
(Also available as a single air line fitting,in a set and in 3/8" NPT sizes)