Smith's Jiff-Mini Knife Sharpner perfect for your pocket or pack features a "V" shaped knife sharpening slot with two crossed carbide blades. The carbide blades allow you to put a quick edge on your knife with just three or four strokes and are preset at a fixed sharpening angle for guaranteed results every time. Sharpens straight edge knives Quick, safe & easy to use Preset sharpening angles Finger and thumb guard Small and compact, can fit in pocket