Pen knives were initially named for the fact that their folding blades were used to thin and point quills so that they could be used as dip pens. Knife Center’s pen knife collection has a wide range of quality blade steels and gorgeous handles that include wood, bone, carbon fiber, and more. The Knifecenter offers the best pen knives including Case pen knives, Boker pen knives, and several other brands with the greatest pen knives in the world.