Lansky Quick Fix Pocket Sharpener - Restore a Razor Edge in Minutes This pocket sharpener combines two great sharpening technologies to give you the fastest blade tune-up anywhere. Just 3 or 4 strokes on the tungsten carbide side and your knife is sharp. Or a few quick strokes on the crock stick ceramic rods can be used to touch up a blade. It&';s that fast and easy! Small enough for your pocket, tackle box, daypack, briefcase, or purse. Type: Pocket Sharpener Material: Ceramic