Comgrow 2pcs Flexible Couplings 5mm to 8mm NEMA 17 Shaft Coupler for RepRap 3D Printer Prusa i3 or CNC Machine

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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)
Dimensions: 19mm x 25mm

Useful in RepRap 3D Printers and small CNC machines
Net weight: 15g/pcs

Material: Aluminum alloy

Package: 2pcs/Lot