10 pcs Reprap Z Axis Couplers for Reprap Hi3D printer Mendel Pru

100% Brand New And High Quality
For a 5mm stepper motor shafts to your 5/16th's or 8mm threaded rods (it's s 5mm to 8mm coupler)
Material: Aluminum
Length: 25mm
Outer diameter: 20mm
Package includes:
10 x Z Axis Couplers (as the picture)
We can also wholesale if you need a large quantity of item please contact us