Check the listing for details. Lansky BladeMedic Tungsten Carbide Ceramic Rod Serrated Knife Sharpener PS-MED01. Color: Black, Condition: New. Listed at 16.22 USD. Lansky BladeMedic Tungsten Carbide Ceramic Rods Serrated Sharpener - PS-MED01 Description Lansky's Blademedic Knife Sharpener is the first responder for field repairs on all types of knife blades. It’s like having an entire knife sharpening system right in your pocket - able to tackle regular or serrated blades, gut hooks, hunting, fishing, - just about any knife using one or all of the following elements: FeaturesTungsten Carbide- Just three or four strokes will restore your blade.Ceramic Sharpening Rods- Polish to a finished edge in three or four strokes.Serrated Knife Sharpener- Designed to get inside even the smallest serrations.Diamond Tapered Rod- For fast reconditioning and maintenance.Sharpening angles are pre-set at 22.5º to achieve a 45º inclusive angle.Diamond- 600 gritCeramic- 1000 grit