United Steel R12-300 Plain Rod 6m SKU: 334906 MODEL: R12-6 Error. try again later You've successfully joined the club $ 20 .11 each Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants R12-300 Grade Plain Reinforcing Rod. Features and benefits Compliant with AS/NZS 4671 requirements. Test certificates available so you can always ensure that the product complies.