Spyderco’s fine-grit (white) ceramic pocket stone is compact, lightweight, and ideal for touching up edges in the field. It comes with a protective suede carry case that doubles as a non-slip base during use. The perfect addition to a pack, survival kit, or bug-out bag, it only adds a few ounces of weight to your load and it is easily cleaned with a household cleaner, a scouring pad, and water.
Made in USA.
See in the official website: https://www.spyderco.com/catalog/details/303F/85