Economy Dynamometer, Aluminum - 100g / 1N - Zero-Point Calibration Capability - High Resolution Scale, Spring Balance - Classroom Quality - hBARSCI

hBARSCI Economy Dynamometer, Aluminum - 100g / 1N - Zero-Point Calibration Capability - High Resolution Scale, Spring Balance - Classroom Quality

QWORK Plastic Tubular Spring Scale - 1N, 5N, 10N, 20N, 30N Capacity, Grams & Newton Calibration, Zeroing Capability, Clear Plastic Body Spring Balance Hanging Tube, Set of 5

EISCO Newton Force Meter Spring Scale - Max Capacity 10N, 1 kg, Dual Scale Labeled.