The ornamental design for a metalfitting, as shown and described.
FIG. 1 is a front view of a metal fitting showing my new design;
FIG. 2 is a back view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereto;
FIG. 7 is a front, right perspective view thereof; and,
FIG. 8 is a reference view showing an example of the metal fitting that is in use on a wall. As shown in FIG. 8, the metal fitting in which the claimed design is applied can be installed between a wall and an outer decorative wall.
The broken lines illustrated in drawings form no part of the claimed design.