Named after the most famous artillery piece used during World War I – a cannon. The Original Big Bertha was called the "World’s Friendliest Driver" and the first widebody driver in stainless steel. The Original Big Bertha features all the benefits of S2H2, plus the ultimate in perimeter weighting. The Original Big Bertha Driver and Fairway Woods are the original friendly and forgiving woods. The Big Bertha Driver head size is 190 cc.