MettleAir 125NP-3U10-SB 3/16" ID 10-32 UNF Male Single Barb Hose/Tubing Fitting Connector, Nickel Plated (Pack of 10) Part #: 125NP-3U10-SB Tubing ID: 3/16" Thread: 10-32 UNF Material: Nickel Plated Brass Type: Male x Hose Barb