Style: 4 in 1 It also flourishes business scene, urban color development, simple but yet striking presence and weight sense. Professional purveyor brand, it is a gem of the lottering. To switch the pen tip adopted “pendulum · gravity system” of one hand operation. Simple release is a one-touch locker clip formula. It is a multipurpose composite pen that stores and equips four functions of black, red, blue ballpoint pen, 0.5 mm mechanical pencil in a simple design. Individual specifications: Total length: 145 mm, Shaft diameter: 10 mm ?, Weight: 26 g Brass base / graphite color double paint (From Amazon.co.jp)