This is the Bounding X Sharpener, a knife sharpener that was previously featured on Shop Channel. It sharpens knives with a two-stage finish: coarse and fine. - Brand: kyowa - Product Name: BOUNDING SHARPENER - Features: Two-stage finish (coarse and fine) - How to Use: Use at a 15°-45° angle - Country of Manufacture: China Thank you for viewing.