30" high-pressure hose with coupler and attachment clip. Air operating range 40-150 psi, and has greasing capabilities of 6000 psi. Variable-speed trigger, fully automatic, continuous operation . Accessible check valve assembly. Superior flow performance obtained through advanced design This fully automatic grease gun has a variable speed trigger, which provides excellent grease flow control while the advanced pump design eliminated traditional priming issues. The grease gun gives outstanding performance and durability. The pump ratio: 40: 1 at 150 psi Maximum Grease Pressure: 6,000 psi (414 bar) Air Pressure Range: 40- 150 psi (2.8 - 10.3 bar)