Scientific Spring Scale by American Educational Products
Special Price $5.49 Regular Price $7.49
Tubular spring scale measures force by pushing or pulling an object. Clear plastic casing allows you to see the spring in action! Record the measurement with the innovative memory ring. Features a unique zero adjustment. One side of the scale is flat, for use on an inclined plane. Calibrated to measure up to 250 grams, as well as 2.5 Newtons.