Knife Sharpeners Features of product: Diamond Ultra Thin Knife Sharpener Grinder Stone. FEATURES: HIGH-QUALITY MATERIAL: This Sharpener Stone Uses Diamond As the Abrasive, High Hardness Material, Which Works More Effectively. PORTABLE TOOL: Mini Size Design for Camping, or As a Kitchen, Garden Sharpening Tool. The Ergonomic Handle is Comfortable and Safe with a Guard Cap Hold Down Firmly to Use. HIGH PERFORMANCE: It is More Efficient Than Ordinary Sharpener Stone and Not Easy to Damage the Edges. SHEATH DESIGN: Lightweight, Easy to Carry and Use; when Not in Use, You Can Put It into the Sheath, It Can Protect the Tool and Also for Convenient Storage. APPLICATION: A Pleasing and Attractive Addition to Any Kitchen or Work Area. Suitable for Grinding of Fine Joints Such As Knife, Abrasives, Stone, Ceramics and Hard Alloys .