Push Pull Muscle Strength Dynamometer 500 Lb. Capacity Stretchers * BP averaging to help Select Ear:Left Ear * BP averaging to help ensure accurate hypertension diagnosis Features: * Magnetic resistance for smooth and consistent maintenance free operation ) and easier to use than spring push pull dynamometers that are in common use today * Dial continuously shows instantaneous force and holds the maximum force reading * This maximum reading should be manually recorded prior to resetting for the next test * Available with either an analog (dial) readout or a digital (LCD) readout * Choose either 50 lb ANALOG (DIAL) READOUT * 500 lb * The heavy duty dynamometer features the hydraulic system that is used in the industry accepted Baseline© and Jamar© hand dynamometers and pinch gauges * Hydraulic system ensures accurate readings * The dynamometer is much lighter (1