Robuta

https://www.toolsmartusa.com/grbliihipr3x.html Graco BlueMax II High Pressure 3/8" x 3' MxF Whip Hose 277351 277-351 - Hoses, Connectors, Swivels,... This M x F whip hose will work up to 4000 psi. It is 3/8" x 3'.