Enhance your 3D printing setup with this comprehensive 20-piece 3D Printer Pneumatic Fitting kit, designed for seamless and reliable filament feeding. This set includes 10pcs PC4-M6 fittings crafted from durable brass for the extruder, and 10pcs PC4-10 fittings made of high-quality stainless steel with plastic components for the hot end, ensuring long-lasting performance and resistance to oxidation and corrosion. Key Features: · Complete 20-Piece Set: Includes 10 brass PC4-M6 fittings and 10 stainless steel PC4-10 fittings, providing easy replacements and extended usability for your 3D printer. · Durable Materials: Brass PC4-M6 fittings offer high hardness and corrosion resistance, while stainless steel PC4-10 fittings ensure robust performance under high temperatures and frequent use. · Secure and Reliable Connection: Designed for quick pneumatic connections that withstand strong impacts without loosening or falling off, ensuring consistent filament feeding. · Wide Compatibility: Perfectly compatible with popular 3D printer models including Creality Ender 3, Ender 3 Pro, Ender 3 V2, Ender 5, Ender 5 Pro, Ender 5 Plus, and CR-10 series, supporting 1.75mm filament and other devices. · Easy Installation: The upper part of each fitting allows simple insertion of 4mm outer diameter PTFE tubes with a self-locking mechanism, making installation fast and hassle-free. Specifications: · Item Type: 3D Printer Pneumatic Fitting · Models: PC4-M6, PC4-10 · PC4-M6 Thread Size: Approx. 6mm (0.24in) · PC4-M6 Inner Diameter (Blue End): Approx. 4mm (0.16in) · PC4-M6 Material: Brass · PC4-M10 Thread Size: Approx. 10mm (0.39in) · PC4-M10 Inner Diameter (Black End): Approx. 4mm (0.16in) · PC4-M10 Material: Stainless Steel + Plastic · Compatibility: Suitable for 3D printers using 1.75mm filament, including Creality Ender and CR-10 series Package Includes: · 10 x PC4-M6 Brass Pneumatic Fittings · 10 x PC4-10 Stainless Steel Pneumatic Fittings This 3D Printer Pneumatic Fitting kit offers a reliable, durable, and easy-to-install solution to maintain smooth filament feeding and improve your 3D printing experience across a variety of popular printer models.