Controller for handpiece

The intended use of the article in which the design is embodied is as a controller for controlling a handpiece in precision works manufacturing.

FIG. 1 is a perspective view of the controller for handpiece, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a left side elevation view thereof.