The 215-MUH48120A Jaken pallet rack upright features a robust 48" x 120" seismic configuration available in Regular and Heavy Duty options. Crafted from 16-gauge steel for ~16,100 lb capacity or 14-gauge steel for ~23,300 lb capacity, it ensures stability and longevity. Its bolt-together design allows easy component replacement, making it ideal for heavy-duty storage and seismic applications in warehouses and distribution centers.