Sharpening stones are made of high-quality diamond material and are durable enough to last for years. The high-strength body provides better durability, making the stone thinner and lighter. Multitasking Knife Sharpener This set contains 4 different grits to meet your sharpening needs for kitchen knives, carpenter tools, ceramic knives, and chisels. All feature a honeycomb design for efficient sharpening. EASY TO USE The sharpener has a non-slip base for better control and stability. It measures 5.9 x 2.5 inches with a wider surface for shaping tools. Do not place in the dishwasher or immerse in water. Sturdy and Portable Due to increased hardness, the sharpener has a thin, lightweight design. Compared to other stone sharpeners, these diamond sharpeners are portable and easy to carry in your bag. Thin grinding and polishing diamond square sharpening stone with 400/600/800/1000/1200 grit Color: Silver Material: Diamond Size: Approximately 151 x 63 x 1 mm Package Contents: 5 x Diamond grinding knife sharpening stones Note: Light reflection and differences in display screens may cause the color of the item to appear slightly different from the actual product. Measurement error allowance is +/- 1-3 cm.