This Stainless-Steel grinder can be used to grind salt or pepper. Just unscrew the bottom and fill with your favorite salt or pepper. This grinder is hand turned from Buckeye Burl and the voids are filled with a food safe gold resin. Buckeye Burl has a wonderful swirling pattern of mixed blue/grey and black & gold color contrast. This Buckeye Burl is from California. Buckeye trees grow to a height of 70 feet with a diameter of up to 2 feet. Polished and sealed with a food grade finish.