The ornamental design of a golfclubshaft, as shown and described.
FIG. 1 is a perspective view of the golf club shaft;
FIG. 2 is a side view of FIG. 1, the opposite side being identical;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a rear view of FIG. 1;
FIG. 5 is a bottom view of FIG. 1;
FIG. 6 is a top view of FIG. 1; and,
FIG. 7 is another perspective view of the shaft of FIG. 1 shown on an inclined iron club head.
The broken line showing of the putter head (FIG. 1) and the iron club head (FIG. 7) is included for the purpose of illustrating and forms no part of the claimed design.