Express Package Includes: Mini Grinding Wheel*2 Dimensions: 9.2 x 3 x 1.3cm / 3.6 x 1.1 x 0.5inch Black ERGONOMIC DESIGNOur pencil sharpener is comfortable to hold and can grip the widest circumference, suitable for left-handed and right-handed people. Non-slip rubber bottom, high stability and safety, can be used on any kitchen surface. EASY TO USE: Small and convenient, just insert the blade into the pointed notch, then pull gently knife several times, dull knife will recur after a few seconds. WIDELY COMPATIBLE: Heavy duty construction can sharpen any type of knife, including kitchen knives, utility knives, paring knives , sharpeners, slicers, boning knives, roughing knives and axes, but not suitable for serrated blades (like bread knife). Universal kitchen knife sharpener: l Professional knife sharpener is suitable for most kitchen knives, Santoku knives, sushi knives, fruit knives, steel knives, diamond knives, tungsten steel knives, steak knives and hunting knives.