This Baseline Pinch Gauge Red 60-lb Capacity measures tip key and palmer pinch strength of healthy hands in both lbs and kgs. The unit has a red body and does not exert any pressure on the hand at all. Measurements are accurate and repeatable. The results are consistent with published Mathiowetz studies. The maximum force indicator remains at the maximum reading until reset. The strength reading can be viewed as lbs or kgs. This Mechanical pinch gauge ensures reliability user convenience and measurement repeatability. It comes with a portable and padded protective case for longevity. Apply pinch force at the pinch groove while holding the pinch gauge between your thumb and finger(s).