One Flexible Coupler 5mm to 8mm. Perfect for 3D printers and RepRap.
This coupler can be used to couple NEMA 17 Stepper Motors with an 8mm Rod or more commonly a Lead Screw or threaded rod. This is an essential part to reduce Z-Wobble! Flexible is a good thing!
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Specs:
5mm ID to 8mm ID
Package Includes:
1 x 5mm to 8mm Flexible Coupler