Set of 4: Mitsubishi Double Pen Brain Double mechanical pencil and ballpoint pen (WBS-500) and Mitsubishi Exceed. You can switch between the mechanical pencil and ballpoint pen by rotating the barrel. Likely made in 1989. These are vintage items that have been carefully stored for collection. We hope that those who understand the nature of vintage items will purchase them. #MechanicalPencil #SharpPencil #BallpointPen #Rare #ShowaRetro #Discontinued #Collection Body material: Metal Body material: Plastic Body material: Metal Other features: Bundle sale