Description The 3D Printing Pen Heads are designed to provide reliable performance for long-term use. Made from durable materials, these pen heads ensure durability and reliability, allowing extended usage without issues. The installation process is simple and easy, requiring no professional skills for replacement. Achieve accurate and precise printing results, enhancing the detail and uniqueness of your artwork. Features - Color: As Shown - Material: Plastic - Size: 4.90 x 1.80 x 1.80 cm / 1.93 x 0.71 x 0.71 in - Made of durable and reliable materials for extended use without wear and tear - Compatible with various 3D printing pen models, offering versatility for artists - Easy and convenient installation allows quick switching between different pen heads - Provides precise and detailed printing results, ideal for artistic projects - Simple to install with an integrated inserted design for easy nozzle replacement Package List 1 x 3D Printing Pen Head (5V) 1 x 3D Printing Pen Head (12V)