Features: brand new and high quality for Ender 3, Ender 3 Pro, Ender 3V2, Ender 3 Max, Ender 5 Plus, Ender 5 Pro, CR-10 series. It makes it easier and smoother to load the filaments without worrying about scratching or breaking. 1 x 1 for m PTFE tubing with minimal friction. Less friction means more responsiveness, less shrinkage, more accurate printing, less sliding, wear and tear on the extruder, and less clogging when printing thick, long fibers, such as some wood chips or iron fillers. A pair of small and large pneumatic couplers can fix PTFE to the extruder and hot end. 4 bed horizontal springs for hard and accurate bed leveling. 1x tube cutter Smooth cutting: to ensure smooth cutting of PTFE on both sides to prevent any failure or thermal creep during feed and retract. Specifications: Material:Metal,ABS Size:As Picture Shown Net Weight:140g Package Includes: 9Pcs 3D Printer Accessories Kit note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.