US D452426 S1
Abstract available in
FIG. 1 is a perspective view of a mold produced design for a thumb screw showing my new design.
FIG. 2 is a rear view thereof.
FIG. 3 is a front view thereof.
FIG. 4 is a left side view thereof; and,
FIG. 5 is a right side view thereof.
The broken lines showing a threaded shank are for illustrative purposes only and form no part of the claimed design.