This pepper grinder is hand turned from Buckeye Burl. 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. The grinder is antique copper and fully adjustable to give the perfect grind. Polished and sealed with a food grade finish.