This hand craft grinder set is made from Birch with laser engraved salt and pepper designs.  Birch is a great North American hardwood.  Birch is bright, clean and beautiful.  The native Americans in the Eastern US and Canada made arrow shafts from birch.  Mature trees grow to a height up to 100 ft with a diameter up to 3 ft.  The peppermill is fully adjustable Just turn the knob below the spring to make your grind from fine to coarse.  The stainless steel grinder is a single handed grinder.  Just push the top to extract you salt.  These grinders are great for salt as stainless steel will not corrode.