Airserco`s 80 lb. Hand scale is a very special industrial straight-spring weighing instrument that can make weights and measures easy. It is ideal for determining the before and after weights of both 30 lb. And 50 lb. Cylinders of refrigerant, and when loading a charging cylinder or charging with refrigerant. 80 lb. Hand scale is supplied with chain, ring, and hook. Salient features are: