Press Type Multi-Function Gel Pen Metal 3Colors Ballpoint Pen School Office

The pen refill can be replaced. There are three colors of ballpoint pen refills that can be replaced. Pencil refills are easy to replace. 3:How to replace the ballpoint pen refill ?. Lightweight design, a single pen weighs only about 21g, and the function of four pens is only the weight of one pen.

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