Stainless Steel allows you to use this grinder for salt or pepper. Smooth action makes this single handed grinder easy to use. Hand turned from Canary Wood. Canary Wood is called Tarara in Brazil. This is a beautiful exotic wood that has the colors of Tulip Wood. Colors can range from red, yellow, orange, green, tan and browns. Mature trees grow to a height up to 100 ft with a diameter up to 3 ft. To fill your grinder just unscrew the bottom and insert your favorite pepper or grinder salt. Has a food grade finish to protect the wood. Grinder height: 5 3/4"