The ornamental design for a double-ended box wrench, as shown and described.
This patent application may relate to one or more of the following patents granted to the inventor herein: U.S. Pat. Nos. D737642; D737641; D718104; D701439; D701438; D701437; D681409; D604130; 7,047,845; 6,959,628; D494833; 6,792,833; 6,655,239; D481613.
FIG. 1 is a front elevation view of a double-ended box wrench showing my new design;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevation view thereof; and,
FIG. 6 is a left side elevation view thereof.
The broken line disclosure of the double-ended box wrench shown in FIGS. 1-6 define the boundaries of the claimed subject matter, but form no part of it.