The ornamental design for a shavingrazor handle, as shown and described.
FIG. 1 is a first perspective view of a shaving razor handle showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right view thereof;
FIG. 5 is a left view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a second perspective view thereof.
The broken line razor cartridge illustrates the environment of the shaving razor handle. The remaining broken lines illustrate portions of the shaving razor handle. None of the broken line disclosures forms part of the claimed design.