QL-31A load cells are available in the capacities from 1 kg to 500 kg S beam style. Tension and/or compression loading. Alloy steel or stainless steel,Silicon adhesive sealed inside, waterproof, anti-corrosion and suitable for all kinds of environment. Integral structure and easy installation. Suitable for crane scale, mechanical conversion scale, hopper scale and other electronic weighing devices. The standard package in carton box outside, plastic for each inner side.