Patent ID: 8221258

Claim:
A driver-type golf club comprising: a golf club head comprising: a body having a face portion, a crown portion, a sole portion, and a hosel, an adjustable keel member disposed on the sole portion of the body, wherein rotation of the adjustable keel member adjusts a face angle of the golf club head, and wherein the adjustable keel member allows the golf club to have an open face angle at address, a closed face angle at address or a neutral face angle at address; and at least one weight member, wherein the golf club head has a volume ranging from 420 cc to 470 cc and a mass ranging from 180 grams to 215 grams, wherein at least two of the face portion, crown portion, sole portion, and hosel is composed of a titanium material, and wherein the adjustable keel member has a non-circular shape and at least three edges, each of the edges having a length ranging from 0.5 inch to 1.5 inches.