[MUXSAM PC4-M6 FITTING] : MUXSAM PC4-M6 pneumatic quick fitting has many advantages such as high quality, advanced technology and practicability, to meet your daily replacement and use needs [HIGH QUALITY MATERIAL] :?This pneumatic quick fitting is made of brass and blue plastic, the brass not rusty, durable, high-quality material to ensure the use and service life of the product. The surface is smooth and the metal Color is bright. [EASY TO INSTALL] : Fitting installation is very convenient, easy to use, no processing, for the daily use of the 3D printer is an indispensable accessory products. Fine production, convenient and practical. [COMPATIBILITY] : Fit for 3D Printer 3mm Filament and other devices.?Different specifications and quantities ensure your daily use requirements, and remind you to pay attention to confirm the size before purchase