Here at we take great pride in providing the best new and second hand golf clubs and equipment like this used Callaway Apex MB 21 Iron Set. This Callaway iron set has been given a B grade rating which means it’s in very good condition. Please check our condition rating guide for more information about how we grade our new and used golf clubs. If you need assistance, please contact us on 01344 291831 – our team of PGA Professionals can help!