These plastic evidence markers, called Versa-Cones, are numbered on all 4 sides to capture all desired photo angles without stopping to re-position the cone. They are designed not to move, slide, or tip-over in extremely windy conditions. Versa-Cones have holes in top for use with flags or chemical light sticks. They are stackable & compact, yet sturdy & heavy duty. Cones measure 4 1/2" x 4 1/2" at the base
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