NTEP legal for trade bench scales have a certificate of conformance. The NTEP Certified Legal For Trade scales provide the highest possible accuracy when weight is a critical factor. We have many legal for trade scales available from various suppliers. If you are looking to buy or sell to customers based on weighing items on a scale, it is almost always a good idea to use a legal for trade scale which are sometimes referred to as commercial scales. Now, if you are not doing this, you might be interested in our selection of food scales which are ideal for certain non-commercial applications.