OctagonStar Flexible Couplings 5mm to 5mm NEMA 17 Shaft for RepRap 3D Printer or CNC Machine?2PCS?

Price: $6.60
Product prices and availability are accurate as of 2020-10-12 07:49:38 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
Availability: In Stock
In Stock.
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Product Features

Flexibility of this coupler removes stress between motor and driving component. Compatible with NEMA 17 stepper motors (for 5mm shaft diameter). Works for 3D printers and CNC machines. Dimensions: 19mm x 25mm.