Gavel Engraved with Round Block - Made in USA The solid walnut gavel, made in USA, is 10.5 inches long and the head is 3 inches long. The solid walnut sound block, manufactured by Valley Forge Wood Products, is 4 inches in diameter Buyers receive up to 4 lines of custom engraving on high quality engraving material. Each line can contain up to 35 letters/spaces.