Home / G02 - Industrial / Heavy Commercial / PA01-Qty-8. 3′ x 3′ steel pole bases PA05-Qty-1-4’x4′ steel pole base. Bolts are 7 3/4″ apart in a square PA01-Qty-8. 3′ x 3′ steel pole bases PA05-Qty-1-4’x4′ steel pole base. Bolts are 7 3/4″ apart in a square