NEW Miura “Jack Nicklaus” Golden Bear Limited Edition Irons Jacks specs 3, 4, 5, 6, 7, 8, 9, P Our one-of-a-kind stock set built with the same specs used by the Golden Bear during his legendary run to 18 major championships. These irons include a specialty shaft from Nippon with a commemorative shaft band, black 1" BB&F ferrule, and a Golf Pride Tour Wrap grip.