This is a Hand Pump for Charging Pneumatic Retract Systems with Air. FEATURES: Has a High Stroke-To-Bore Ratio so High Pressures with Minimum Effort Rated at Over 100 psi Gauge on the Pump w/Ball Check Valve so Tank Pressure can be Read Bright Nickel Finish INCLUDES: One 100 psi Hand Pump w/Gauge and 14" Red Tubing COMMENTS: Robart makes the 164C Air Pump Mounting Clips (ROBQ2362) for conveniently mounting the hand pump to the outside of a field box. ir/jl