HAND PUMP The Meriam MP-100KT Hydraulic Calibration Pump uses a fully adjustable stroke control to allow for fast priming or filling of test systems. This gives the operator the ability to switch as needed to a smaller stroke for easier pumping at high pressure.   Delrin plastic handle prevents body heat transfer Oversized check valves for smooth controlled operation Mash proof vent valve (No Needle Valve)  A patented non-oil based lubricant is used on all moving parts     Dual O-Rings on all pistons to ensure zero leakage     2 year warranty (includes dropping)     Includes: A black padded canvas case, 2ft non-stretch hose, fittings and     stainless steel analog gauge 2”1/2 w/ protective rubber boot.   Manufacturer Specs 0 to 100 psi (including and not limited to an inch of water) Connections (2 ports) 1/8 inch NPT Weight 1.5 lbs Manufactures Made in the USA