Diamond Abrasive Products, founded in 1964 by Mr. R.N. Dabdi, the authority on honing, specializes in manufacturing the world's most advanced and the very highest quality diamond / CBN honing sticks as per the customers requirement, using top-of-the-line diamond / CBN from Element Six (De Beers) and custom made metal bonds and state-of-the-art machinery from Dr. Fritsch.