The Spyderco Double Stuff Sharpening Stone is a versatile knife accessory featuring both medium and fine grits. This ceramic stone sharpener comes in a distinct black and white color profile and has a compact 5 open length. Perfect for maintaining edges on the go, the double-sided ceramic stone design delivers efficient performance and fits perfectly inside its included premium leather sheath for secure transport and storage. Safety Note The sharpener includes a protective leather sheath to ensure safe storage and transport, preventing accidental contact with the stone surfaces when not in use.