The Baseline® hydraulic push-pull dynamometer has a 500 pound capacity. LCD gauge features electronic zero calibration system, max clear button, toggle maximum and current read-out, lb / kg toggle, 2 AAA batteries (included). Dynamometer is perfect for muscle strength measurement, job task analysis and functional capacity evaluation (FCE). The dynamometer is lightweight and portable. The dynamometer is packaged with 3 push pads (padded curved, padded straight, and circular), 1 pull hook and 1 snap-lock hook. Can be used with lift platform (sold separately) to conduct muscle strength and functional capacity tests. Compatible with Baseline® single and dual grip handles (sold separately). The strength reading can be viewed as pounds or kilograms. CE Certified. Comes in a protective carrying case.