plastic pen and ball-point pen

The ball-point pen is a common writing tool, its shape is usually long, one end is the tip of the pen, the other end is the pen body. The pen usually has a switch that can be turned to control the expansion and contraction of the nib. The tip of a ballpoint pen consists of a small ball with ink inside, which is released when the ball rolls over the paper, thus enabling writing.

The nibs of ball-point pen are usually made of metallic materials, such as stainless steel or tungsten steel, which makes the nibs durable and able to slide smoothly on paper. The pen body is usually made of plastic or metal, which is lightweight and comfortable to hold. The body of a ballpoint pen usually has some decoration or logo to increase its aesthetics and personalization.

The ball-point pen is very convenient to use, just place the tip of the pen on the paper and gently push it to start writing. Its inks are usually water-based inks that dry faster, are not easily smacked, and can be used on various types of paper.

Ball-point pen are widely used in daily life, suitable for students, office workers and ordinary people. It can be used for writing, taking notes, filling out forms and other writing tasks. Due to its portability and ease of use, the ballpoint pen has become one of the preferred writing instruments for many people. It can make a stationery set with a spiral notebook.