SAGA 66 LB Red DIGITAL POSTAL SHIPPING SCALE by SAGA X 0.1 OZ WEIGHT USPS POSTAGE W/AC USB Pro Model, FREE SHIPPING! Turn on the auto hold to weigh over sized packages. Or turn off when need frequent adjustment Make any envelop rest on the scale easily 20% bigger in area than other scales Extended in length instead of width, efficiently increase allowed size of packages Measures heavy boxes up to 66lbs as well as 1 oz envelops