Magnum Pro Hydraulic Calibration Pump

Contoured cushion handles

Patented protective cage around vent knob

Priming feature

Patented triple filtration (prevents pump failure caused by dirt)

A non-oil based lubricant is used on all moving parts

Built in pressure relief valve (prevents over pressurizing)

Shatter proof reservoir

Oversized check valves for smooth controlled operation

2 year "quibble free" warranty (includes dropping)