Price of 1 tonne (74pcs/tonne) of 20mm steel rod ==> ₦180,500 Price of 1 whole length of 16mm steel rod ==> ₦1,550 Price of 1 tonne (120pcs/tonne) of 16mm steel rod ==> ₦170,500. Price of 1 whole length of 12mm steel rod ==> ₦1,150. Price of 1 tonne (176pcs/tonne) of 12mm steel rod ==> ₦165,050 Price of 1 whole length of 10mm steel rod ==> ₦1,050