The ornamental design for a door hinge kit, as shown and described.
FIG. 1 is a front elevation view of a door hinge kit showing my new design;
FIG. 2 is an in-use isometric view thereof;
FIG. 3 is a cross-sectional view thereof taken along line 3—3 of FIG. 2;
FIG. 4 is a front perspective view thereof showing one screw removed for ease of disclosure and the other screw and cap of the kit in an alternate position of use; and,
FIG. 5 is a rear isometric view thereof.
The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design.