Petoskey stone pocket knife with a blade, file, scissors, and ring for your keys. We send our Petoskey stone to the artist and he ads his own stone or shell to the handle along with our Petoskey stone. In this case the shell is orange oyster shell. Closed it is about 3/8″, open blade about 4″ total. The rear of the Petoskey stone knife is wood. A Warranty comes with our Petoskey stone knives.