KRAMER by ZWILLING Carbon Steel Use &amp; Care Kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Set includes patina eraser， camellia oil， and a cotton cloth</li><li>Patina eraser has rubberized abrasive bench stones that remove rust</li><li>Camellia oil can be applied to blade and handle</li><li>Will discolor or harden the wood</li><li>Oil is acid-free， 100% organic， and food safe</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41AHcTB8teL.jpg" noproxy>