The ornamental design for a magnetizer for handtools, as shown and described.
FIG. 1 is a perspective view of a magnetizer for hand tools showing my design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top side elevational view thereof;
FIG. 7 is a bottom side elevational view thereof;
FIG. 8 is a magnetizer for hand tools for status of not use; and,
FIG. 9 is a structure of magnetizer for hand tools for status of use.
The broken lines shown in FIGS. 8-9 illustrate environmental structure and aspects of the magnetizer for hand tools which form no part of the claimed design.