AMERICAN BLACK WALNUT Wood inlaid with Sleeping Beauty Turquoise. This Pepper Grinder is approximately 4" x 2-1/2" & comes with a stainless steel grinding mechanism. The matching Salt Grinder is also approximately 4" x 2-1/2". Pepper corn & Salt are added by unscrewing the top. Loosen or tighten top to change grind. Finished with several coats of a hi-gloss, food-safe, polyurethane.