[MUXSAM PC4-M6 CONNECTOR]: The MUXSAM PC4-M6 pneumatic quick connector has many advantages such as high quality, advanced technology, and practical usability, to meet your daily needs for replacement and use. [HIGH-QUALITY MATERIAL]: This pneumatic quick connector is made of brass and blue plastic, the brass does not rust, is durable, high-quality material to ensure the product's use and lifespan. The surface is smooth and the metal color is bright. [EASY TO INSTALL]: The installation of the connector is very convenient, easy to use, no processing, for daily use of the 3D printer is an indispensable accessory product. Fine production, convenient and practical. [COMPATIBILITY]: Suitable for 3D printer 3mm filament and other devices. Different specifications and quantities ensure your daily use requirements, and remind you to pay attention to confirming the size before purchase.