Keen Kut Products has been in business over 60 years. Mr. Ralph Arnold founded Keen Kut in 1947. Ralph was the innovator of small diamond core drills as we know them today.

Frank and Dee Lenner, the current owners, have been with the company for 22 years. Keen Kut is located in the San Francisco Bay Area and services a world-wide community.

Their knowledgeable staff has helped Keen Kut become a leading manufacturer of industrial diamond products and continues to be an innovator in the industrial diamond field.