The ornamental design for a poolcueshaft, as shown and described.
FIG. 1 is a perspective view of pool cue, including a pool cue shaft.
FIG. 2 is a side view of the pool cue shaft shown in FIG. 1.
FIG. 3 is front view of the pool cue shaft of FIG. 1; and,
FIG. 4 is a rear view of the pool cue shaft of FIG. 1, according to a first embodiment of the design.
The elements shown in broken lines, including a pool cue butt assembly, tip, ferrule, joint collar and joint insert are included for the purpose of illustrating environment and form no part of the claimed design.