This vintage Halco Combination No.721 sharpening stone is a must-have for any knife or blade enthusiast. Measuring 7 inches and made of silicon carbide, this stone is designed to provide optimal sharpening for blades of all kinds. The stone comes in its original box, making it a great addition to any collection.

The stone is gray in color and manufactured in the United States by Halco, a trusted brand in the industry. It is an original piece and is perfect for those looking for authentic, high-quality sharpening tools. Don't miss out on the opportunity to own this unique and valuable piece.