Angel USA 400 Pound Capacity Digital 16.75 X 13.75 Inches Stainless Steel Platform Postal Shipping Scale, for Business Office Home Warehouse Package Luggage. This is a high-end industrial scale with an EXTRA large 16.75" x 13.75" stainless steel platform. It uses 4 high-quality load cells, 1 in each corner, for great accuracy. Cheaper scales use only 3 or even 1 load cell. Includes a wired remote display for easy reading. The software allows you to calibrate your scale with any known weight in LB or KG The stainless steel platform is designed especially for weighing large and heavy objects