Spyderco, Tri-Angle, Knife Sharpener, Ceramic Rods, Clam Pack Hard Plastic case Easy to use Comes with multiple stones Perfect for those new to knife sharpening Spyderco has steadily grown to become one of the leaders in the cutlery industry. In addition to a worldwide distribution network and manufacturing resources in the U.S., Japan, Taiwan, Italy, and China, their innovation has also earned an impressive portfolio of patents, trademarks, and industry awards. More importantly, it has earned the trust and loyalty of countless thousands of dedicated knife users around the world-an audience to whom Spyderco is extremely grateful.