The legal-for-trade unit arrives fully-prepared for installation and includes DB75000 lb stainless steel load cells standard, which are factory assembled. All Cardinal load cells can withstand the weight of up to 150% of published load cell capacity. Each scale bridge features interconnecting load blocks and receivers for an efficient, no-bolt installation. Heavy-duty no-bolt access covers over the load cells and surge suppression boxes are easy to remove for routine cleaning, yet robust in design for total protection of all components. www.cardinalscale.com/epr.htm