The restrictions on carrying liquids on airplanes are widely known, but what about sharp things like scissors? Can you Take Scissors on a Plane? Since scissors have the potential to be used as a weapon, they must be prohibited. Actually, scissors may be brought in carry-on luggage as long as the distance from the pivot point is less than 4 inches. Also permitted in checked luggage are scissors. To avoid problems at the airport, there are a few additional details you should be aware of.