The hang packaging is torn by the plastic cover, but the stone is fully sealed, never opened.

Measures approximately 2.75" x 0.75" x 0.25". Just a few light pressure strokes produce a sharp edge. Lubricate with a small amount of oil. Perfect for do-it-yourself projects. Easy and convenient to use. Correct blade angle and knife sharpening instructions are printed on the back of the packaging.  Hang packaged.