PREMIUM DIAMOND MATERIAL - These 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 it thinner and lighter. MULTITASKING KNIFE SHARPENER - This set contains 4 different grits to meet various sharpening needs, including kitchen knives, carpenter tools, ceramic knives, and chisels. Each stone features a honeycomb design for efficient sharpening. EASY TO USE - The sharpener has a non-slip base for better control and stability during use. It measures 5.9 x 2.5 inches and includes a blade-shaped surface for specific tool shapes. Do not place in the dishwasher or immerse in water. STURDY AND PORTABLE - Due to increased hardness, the sharpener is designed with a thin and lightweight body. Compared to traditional stone sharpeners, these diamond sharpeners are highly portable and easy to store. Color: Silver Material: Diamond Size: 150 x 63 x 3mm Package Contents: 4 x Diamond Sharpening Plates Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.