This top of the line hanging scale should be in every milkroom where you demand accurate weighing of milk. Its tare feature lets you weigh contents in a container. Its "memory" will record up to 4 weighings. The "hold" feature locks weight of item being weighed, and the two heavy duty hooks will not bend or break. 50 lbs. (22.5 kg) capacity in 1 oz. (20 g) increments. Scale comes with three AA batteries and two hooks.