Pen

The utility model relates to a new pen, which belongs to the technical field of the writing tools and other articles composite group, the writing and drawing apparatus subclass, the printing branch, the operating and transportation department, as per the International Patent Classification (IPC), and aims to solve the technical problems of inconvenient carrying, single function and irreplaceable pen type of a plurality of tools. The utility model mainly comprises a pen tube, a changer, a spring, a pen, a block, an eraser clip, an eraser, a spring clamp, a movable pencil head and an outlet, and is characterized in that: the outside of the spring clamp is welded in the pen tube, and the upper part of the outlet is welded at the lower end of the movable pencil head. The upper end of the pen is inserted into the lower end of the changer, while the middle of the spring is sleeved on the upper end of the pen. The lower end of the changer is movably arranged on the upper end of the spring, and the lower end of the spring is movably positioned at the upper end of the spring clamp. With extensive purposes and simple manufacturing, the utility model is prone to be popularized.