Metric adapter male x male M 22 X 1.5 Size : M 22 x 1.5 2-year warranty easily screws into connect extension hose Metric adapter male x male M 22 X 1.5Size : M 22 x 1.52-year warranty1. converts female metric thread to male metric connection.2. easily screws into connect extension hose3. adapts female metric gun ends for connection to female metric wands Metric Adapter Male X Male M 22 X 1.5