DMT Serrated Knife Sharpening Stone, Coarse features a folding sharpening system designed for convenience and safety. The handles open to form a nonslip grip, ensuring stability during use, and then close securely around the stone to protect it when not in use. Its diamond surface is durable, resists loading, and is easy to clean, making maintenance simple. This sharpening stone measures 4 inches in length and is i for coarse sharpening tasks, providing effective sharpening for serrated knives with ease. Model Number: FWC