FIG. 1 is a perspective view of a handle for a shower showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image of the left side;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken line showing of an escutcheon is for illustrative purposes only and forms no part of the claimed design.