Flexibility of this coupler removes stress between motor and driving component.
Compatible with NEMA 17 stepper motors (for 5mm shaft diameter).
Useful in RepRap 3D Printers and small CNC machines.
Dimensions: 5mm x 8mm x 25mm.
Material: Aluminum Alloy
Coupler Height(L): 25 mm
Coupler Diameter:19 mm
Top Shaft Diameter: 5mm
Bottom Shaft Diameter: 8mm