Check the listing for details. Duro Razor Straight razor hone stone Sharpening stone. Condition: Used. Listed at 35.00 USD. The Duro Razor Straight razor hone stone is a precision sharpening stone specifically designed for straight razors. This high-quality stone helps to maintain the sharpness and accuracy of your razor, ensuring a clean and close shave every time. Perfect for collectors or anyone looking to keep their razor in top condition, this hone stone is a must-have for any shaving enthusiast.