Buck 97017-B Edge Tek Honing Stone Keep your knife razor-sharp with a high-quality sharpening stone. Whether you own a pocket knife, a hunting knife or a kitchen knife, a sharpening stone is essential for preventing your blade from becoming dull. This sharpening stone is lightweight and portable, so you can use it at home or take it with you wherever you go. Measures 4 1/2″ x 1 1/2″ x 1/4″. Black nylon belt sheath. 500-600 coarse grit.