The Rubbermaid 7810 mechanical hanging scale with zero adjust knob is suitable for farming, industrial, and other multipurpose applications. Its steel construction is resistant to corrosion. The scale shows weight in increments of 1 lb./0.5 kg up to a maximum capacity of 110 lb./49.9 kg. The scale measures 19-1/2 x 3-1/4 x 2 inches/49.5 x 8.3 x 5.1 cm (H x L x W). (H is height, the vertical distance from lowest to highest point; L is length, the horizontal distance from left to right; W is width, the horizontal distance from front to back.) Food service scales are used to weigh food portions or inventory in a commercial kitchen environment. Three common types of scales are hanging, portion control, and receiving. Hanging scales have hooks that items are hung from to be weighed. Portion control scales have platforms that ingredients or food portions are placed upon to weigh. Receiving scales check the accuracy of inbound inventory to verify that the ordered weight matches the received weight. The scales can be mechanical with dials or electronic with digital displays. They are commonly made of steel, stainless steel, aluminum, or some combination thereof.Rubbermaid manufactures cleaning, organizing, and material handling products for commercial, medical, and industrial applications. The company, founded in 1933, is headquartered in Huntersville, NC.