[Adjustable Bristles] Advance and retract the bristles effortlessly with the brush's unique design. [Remove Rust Efficiently] Used to effectively remove rust and corrosion for a cleaner surface. [Economical Set] Includes 3 pens in one set, making it practical and cost-effective for multiple uses. [Versatile Applications] Suitable for various tasks including hobby craft, clock, and jewelry applications. [Comfortable to Use] Ergonomic pen holder provides a comfortable grip for easy handling. Spec: Features: 1. Used to remove rust and corrosion. 2. Advance and retract the bristles by turning the end of the brush. 3. Comfortable pen holder, easy to grip and use. 4. 3pcs in one set, economical and practical to use. 5. Suitable for hobby craft, clock and jewelry applications. Specification: Condition: 100 Brand New Material: Plastic Color: As Pictures Shown Size: Approx. 11 4.5cm 4.3 1.8in Red Pen: Fiberglass (Soft) Yellow Pen: Copper (Middle) Black Pen: Steel (Hard) Package List: 3 Rust Remove Pen (The shell color is random)

[Comfortable to Use] Ergonomic pen holder provides a comfortable grip for easy handling. [Versatile Applications] Suitable for various tasks including hobby craft, clock, and jewelry applications. [Economical Set] Includes 3 pens in one set, making it practical and cost-effective for multiple uses. [Remove Rust Efficiently] Used to effectively remove rust and corrosion for a cleaner surface. [Adjustable Bristles] Advance and retract the bristles effortlessly with the brush's unique design.