Parker Brass 1/8 in. Hose Barb X 3/8 in. Male Strait  Adapter Lot Of 10.

As it says above, you will receive 10 of these small adapters. If you don't need 10? Too bad. Never know when you'll need more. Actually you can buy any amount up to like 200. Just send me a message through eBay and I'll give you a price.