This nozzle printer head offers a streamlined design that allows users to swiftly detach and clean the nozzle when clogging occurs. Engineered with safety in mind, the unit maintains a gentle working temperature to avoid harm. Its compact size and black finish make it a practical replacement part ideal for precise and secure 3D pen printing tasks. Features -Color:Black -Material:ABC -Size:5.00X2.00X2.00cm/1.97X0.79X0.79in -Safe material choice: constructed from non-metal aerial components that reduce the risk of burns and enhance user safety during the printing process -Effortless replacement: features an integrated buckle mechanism allowing quick and simple nozzle removal without the need for additional tools -Temperature control: operates at a lower thermal range designed to prevent accidents caused by overheating or skin contact -Durable construction: built with long-time materials engineered for consistent performance and extended service life -Compact and functional design: designed with a sleek black finish and ergonomic dimensions to fit seamlessly with compatible printing pens Package list: 4 pcs x printing pen head