Funien Rigid Coupling,3pcs Rigid Shaft Coupling 5mm to 8mm Bore L23xD18 Shaft Coupler Connector for 3D Printer Stepper Motor CNC Machine

High quality and processing, good extruder for printer
Using high-quality materials, long service life
Complete accessories, can meet your needs

Good heat insulation effect, thin wall insulation layer bring good heat insulation
Aluminum material, light and soft, possess good strength, good corrosion resistance
printer accessories composed of extruder kit + nozzle hot end kit, have stable structure

Using environmentally friendly materials, no poison, no pungent odor, improved level performance, healthy 3D printing.
Does not warp, it is not easy to deform at high temperature, and it has good high temperature resistance.
Large size of 253.8 x 241mm, more flexible and convenient to use. It’s very practical.

Small size, easy to carry and store, convenient to use and with good performance.
Make the printer more stable, high temperature resistant, and better compatible with printer equipment.
With 8pcs spring and silicone socket, can meet your use and replacement needs, very practically.