Kronos Golf Rare Series Cornet Putters The KRONOS RARE Series represents the marriage of precision with the finest materials. Whether its a one-off putter built to thrill or a putter made from a limited supply of high-end materials, the RARE series will leave you in awe as you gaze upon the pinnacle of sophisticated beauty. The Cornet putter, like its Touch model siblings, is a blade that places an importance on solid feel. After all, a blade putter should have incredible feedback. From there though, the unique qualities of the Cornet begin to make their presence known. The Cornet is a limited edition putter made from an enamoring brass alloy — a first for a Kronos putter — serial number one through seventy-two. Only seventy-two pieces were made this year. The Rare Series putters use a variety of rare metals and unique finishes, and amongst them lives the Cornet with its incredibly soft brass alloy. While carbon steel has proven itself a soft metal suitable for use in f.