LANSKY BladeMedic Sharpener Size: 10 x 3.3 x 1.3 cm Weight: 105g * This is a used item, having been used several times. The BladeMedic knife sharpener is suitable for most knives, excluding single-edged blades. It's the definitive knife sharpening kit. The sharpening angle is set at 22.5 degrees. 1: Tungsten carbide: Simply slide the knife blade towards you 3-4 times to quickly sharpen the edge. 2: Ceramic sharpening rod (1000 grit): Polishing and finishing the blade can be done by sliding it towards you 3-4 times. 3: Serrated blade sharpener (800 grit): Can be used for fine and coarse serrated blades. 4: Diamond tapered rod (600 grit): Quickly maintain straight and serrated knives. This is a used item owned by an individual. Please understand this before purchasing. Thank you for viewing.