Grease Fittings can be connected and disconnected under pressure. This is an industry first, demonstrating Flomax innovation. • 5000 PSI rated. • New patented design uses an internally sealed ball lock mechanism to ensure trouble free performance even in the most harsh of conditions. • All Stainless Steel construction ensures long life and repeatable performance. • Receiver has a built in check valve. • 1” FNPT on both receiver and nozzle for maximum flow and adaptability. • World Class performance and flow. • Fail Safe shut off for safety. • Flush face design helps ensure vehicle and part cleanliness. • Two sizes available. • Also available in 3/4” BSPP thread.