FIG. 1 is a perspective view of a corner key.
FIG. 2 is a front elevation view of the corner key of FIG. 1.
FIG. 3 is a rear elevation view of the corner key of FIG. 1.
FIG. 4 is a right elevation view of the corner key of FIG. 1.
FIG. 5 is a left elevation view of the corner key of FIG. 1.
FIG. 6 is a top plan view of the corner key of FIG. 1; and,
FIG. 7 is a bottom plan view of the corner key of FIG. 1.
The broken lines depict portions of the corner key that form no part of the claimed design.
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