GOLF CLUB HEAD INCLUDING A REMOVABLE WEIGHT

1 . A removable weight to fit into a right handed golf club head or a left handed golf club head, wherein each of the right handed golf club head and the left handed golf club head comprise a lower muscle portion comprising a back flange comprising a weight recess, and wherein the removable weight comprises:

a body portion comprising a first body end and a second body end, wherein the first body end fits in a toeward end of a first weight recess in a first installed position corresponding to the right handed golf club head or a heelward end of a second weight recess in a second installed position corresponding to the left handed golf club head, and wherein the second body end fits in a heelward end of the first weight recess in the first installed position corresponding to the right handed golf club head or a toeward end of the second weight recess in the second installed position corresponding to the left handed golf club head; and

a cover portion to cover the weight recess in the first installed position corresponding to the right handed golf club head or the second installed position corresponding to the left handed golf club head.

2 . The removable weight of claim 1 , wherein the cover portion comprises a first cover end and a second cover end, wherein the first cover end covers the toeward end of the first weight recess corresponding to the right handed golf club head or the heelward end of the second weight recess corresponding to the left handed golf club head, and wherein the second cover end covers the heelward end of the first weight recess corresponding to the right handed golf club head or the toeward end of the second weight recess corresponding to the left handed golf club head.

3 . The removable weight of claim 1 , wherein the removable weight comprises a metal.

4 . The removable weight of claim 3 , wherein the metal comprises one of tungsten, steel, titanium, aluminum, scandium, zinc, nickel, copper, and iron.

5 . The removable weight of claim 1 , wherein a width of the removable weight is more than about 75% of a width of the back flange.

6 . The removable weight of claim 1 , wherein a width of the body portion is less than a width of the cover portion.

7 . A set of golf club heads comprising:

a right handed golf club head comprising:

a first striking face portion;

a first back portion comprising:

a first upper blade portion;

a first gutter extending downward from the first upper blade portion; and

a first lower muscle portion extending downward from the first gutter, wherein the first lower muscle portion comprises:

a first back flange, wherein the first back flange comprises a first weight recess; and

a first sole extending backward from a first lower portion of the first striking face portion to the first back flange; and

a removable weight to fit into at least the first weight recess, comprising:

a body portion covered by the first sole in a first installed position, wherein the body portion fits into a portion of the first weight recess; and

a cover portion to cover the first weight recess in the first installed position; and

a left handed golf club head comprising:

a second striking face portion;

a second back portion comprising:

a second upper blade portion;

a second gutter extending downward from the second upper blade portion; and

a second lower muscle portion extending downward from the second gutter, wherein the second lower muscle portion comprises:

a second back flange, wherein the second back flange comprises a second weight recess; and

a second sole extending backward from a second lower portion of the second striking face portion to the second back flange; and

the removable weight to fit into the second weight recess, comprising:

the body portion covered by the second sole in a second installed position, wherein the body portion fits into a portion of the second weight recess; and

the cover portion to cover the second weight recess in the second installed position.

8 . The set of golf club heads of claim 7 , wherein the body portion comprises a first body end and a second body end, wherein the first body end fits in a toeward end of the first weight recess in the first installed position corresponding to the right handed golf club head or a heelward end of the second weight recess in the second installed position corresponding to the left handed golf club head, and wherein the second body end fits in a heelward end of the first weight recess in the first installed position corresponding to the right handed golf club head or a toeward end of the second weight recess in the second installed position corresponding to the left handed golf club head.

9 . The set of golf club heads of claim 8 , wherein the cover portion comprises a first cover end and a second cover end, wherein the first cover end covers the toeward end of the first weight recess corresponding to the right handed golf club head or the heelward end of the second weight recess corresponding to the left handed golf club head, and wherein the second cover end covers the heelward end of the first weight recess corresponding to the right handed golf club head or the toeward end of the second weight recess corresponding to the left handed golf club head.

10 . The set of golf club heads of claim 7 , wherein the removable weight comprises a metal.

11 . The set of golf club heads of claim 10 , wherein the metal comprises one of tungsten, steel, titanium, aluminum, scandium, zinc, nickel, copper, and iron.

12 . The set of golf club heads of claim 7 , wherein a width of the removable weight is more than about 75% of a width of the first back flange or the second back flange.

13 . The set of golf club heads of claim 7 , wherein a width of the body portion is less than a width of the cover portion.

14 . A removable weight to fit into a right handed golf club head or a left handed golf club head, wherein each of the right handed golf club head and the left handed golf club head comprise a lower muscle portion comprising a back flange comprising a weight recess, and wherein the removable weight comprises:

a body portion comprising a first body end and a second body end, wherein the first body end fits in a toeward end of a first weight recess in a first installed position corresponding to the right handed golf club head or a heelward end of a second weight recess in a second installed position corresponding to the left handed golf club head, and wherein the second body end fits in a heelward end of the first weight recess in the first installed position corresponding to the right handed golf club head or a toeward end of the second weight recess in the second installed position corresponding to the left handed golf club head; and

a cover portion to cover the weight recess in the first installed position corresponding to the right handed golf club head or the second installed position corresponding to the left handed golf club head, wherein the cover portion comprises a first cover end and a second cover end, wherein the first cover end covers the toeward end of the first weight recess corresponding to the right handed golf club head or the heelward end of the second weight recess corresponding to the left handed golf club head, and wherein the second cover end covers the heelward end of the first weight recess corresponding to the right handed golf club head or the toeward end of the second weight recess corresponding to the left handed golf club head.

15 . The removable weight of claim 14 , wherein the removable weight comprises a metal.

16 . The removable weight of claim 15 , wherein the metal comprises one of tungsten, steel, titanium, aluminum, scandium, zinc, nickel, copper, and iron.

17 . The removable weight of claim 14 , wherein a width of the removable weight is more than about 75% of a width of the back flange.

18 . The removable weight of claim 14 , wherein a width of the body portion is less than a width of the cover portion.