The Läufer 1021 fiberglass eraser pen is a specialized tool that is ideal for cleaning circuit boards. It effectively removes rust stains, flux residues, and stubborn contaminants that can occur during soldering. The pen is equipped with an easily replaceable fiber insert, allowing for simple handling and maintenance. Additionally, it is designed to be non-over-twistable, which enhances the product's durability. Weighing only 10 grams, the eraser pen is compact and easy to transport, making it a practical companion for professionals and hobbyists in the electronics field.

• Easily replaceable fiber insert for simple maintenance
• Non-over-twistable design increases durability
• Effective cleaning of rust stains and flux residues.