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Description:2Pcs/Set 5N Plastic Disc Spring Dynamometer Used for Measuring Force in Physical Mechanics Teaching ExperimentSpecification:Material: Plastic+Stainless SteelMeasurement Range: 5N Total Disc Length: 37cm Disc Diameter: 20.5cmFeatures:1. The reading in the dy..

Specification Material: Premium Metal+Plastic+Stainless SteelBar Dynamometer Range: 1N 2.5N 5N 10N Hook Weight:50g*10 Cylinder dynamometer:5N Demonstration dynamometer:5N Features 1.Physics Lab Experiment Euipment 2.Great for school teaching, study 3.High resolution, easy-t..