What is claimed is the ornamental design for a construction wrench, as shown and described.
FIG. 1 is a rear, left side perspective view of a construction wrench.
FIG. 2 is a top plan view thereof.
FIG. 3 is a bottom plan view thereof.
FIG. 4 is a left side elevational view thereof.
FIG. 5 is a right side elevational view thereof.
FIG. 6 is a rear side elevational view thereof; and,
FIG. 7 is a rear side elevational view thereof.
Any features shown in dotted, dashed, and/or broken lines do not form part of the claimed design. Any surface shading is used solely to show the character or contour of the surface represented.