Address: 3001 Woodbridge Ave, Edison, NJ 08837... Website: https://nobliecustomknives.com/product-categories/knife-sharpeners/... Email: info@nobliecustomknives.com... As an authorized USA dealer, Noblie Custom Knives provides the full suite of TSPROF sharpening technology. From the portable Blitz Pro to the K03 Pro AL Quick Edition, we have every major platform. We also stock original TSPROF diamond plates, Alpha stones, and technical accessories to ensure precise, repeatable results.