Features specially designed V shaped cutting slot with tungsten carbide inserts which allows for fast and easy sharpening. Yellow finger groove plastic handle features floating ceramic sharpening rod for left or right handed scissors. Knuckle guard. Hang packaged. Smiths JIFF-S 10-Second Knife and Scissors Sharpener 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. They are also reversible and replaceable. The patented scissors sharpener included in the handle of the 10-Second Knife and Scissors Sharpener features a specially designed FLOATING round ceramic rod, which conforms to the exact angle of your scissors every time. It works on both left and right-handed scissors. Just three or four strokes is all it takes to put the edge back on your scissors.