Bergeon 2460 M40 whetstone is a double-sided diamond whetstone (coarse and fine) that is characterized by its versatility, durability and ease of use. It is particularly suitable for the precise sharpening of fine tools such as tweezers and offers efficient work on both sides thanks to its design. Compared to ceramic, natural or synthetic resin stones, the M40 is more robust and efficient. Size: 6 x 75 x 25 mm