Item Type: 3D Printer Straight PC4 M6 Pneumatic Fitting <br>Material: Metal <br>Type: for PC4 M6 Pneumatic Coupling, for PC4 01 Quick Coupling <br>Quantity: 5 Sets <br>Applicable Models: for CR 10/10S, for S4 S5 CR 10S Pro, for Ender 3, for Ender 3 Pro Printers1、PC4 M6 FITTING: Bowden tube coupler thread M6/3mm, inner diameter 4mm, suitable for 4mm outer diameter tube. <br>2、PC4 01 FITTING: The thread is about 1/8, the upper part can be inserted into 4mm tube and self locking, the lower part thread is 1/8 teeth. <br>3、APPLICABLE MODELS: Pneumatic fittings for CR 10 10S S4 S5 , for CR10S Pro, for Ender 3, for Ender 3 Pro printers. <br>4、5 SETS: PC4 01 fitting is silver, PC4 M6 fitting is gold, five sets in total, sufficient quantity, please pay attention to distinguish. <br>5、METAL MATERIAL: Bowden tube coupler is made of metal, high hardness, more durable, easy to install, connected by male thread of quick coupling.These 3D printer accessories are small parts. Please keep them away from children to avoid the danger of swallowing<p>5 x PC4 M6 Pneumatic Fitting&nbsp;</p><p>5 x PC4 01 Pneumatic Fitting</p>