Flexible Couplings 5*8mm ,5*10mm Compatible with NEMA 17 Stepper Motors
* Compatible with NEMA 17 stepper motors (for 5mm shaft diameter).
* Flexible Couplings made of premium aluminum alloy material, exquisite workmanship, bright appearance, good toughness.
* Flexible coupling can eliminate the stress between the motor and drive parts.
* Coupler diameter 19mm x height 25mm.0