The Jonard Tools Push-Pull Force Gauges are economically constructed and made of high impact polystyrene casing. This force gauge features the following:

Simplified in construction yet accurately measures push-pull forces
These force gauges can also be used to test belt tension in ATMs
Gauge is graduated in two scales: grams and ounces
Ideal for field service use and applications requiring gauges with maintenance-free operation
Precision springs are individually calibrated and checked with dead weights
Scales have full accuracy as the permanent calibration is held to ± 1 graduation
Accuracy: 1 graduation, maximum capacity: 36 oz (1.020 kg), metric capacity: 1.020 kg x 20 g