This Master Stone Holder Set from Sunnen® makes it easier to hone large diameter bores. Used with the Sunnen® Master Holder Support (sold separately), these supports extend the range of your standard 4″ cylinder honing stone sets. This set (AN-355) is for honing cylinders from 4″ to 7″ in diameter.
NOTE: GOODSON is authorized to ship Sunnen products only within North & South America