Photo 1 of Xnrtop 8mm to 8mm Shaft Coupling 25mm Length 19mm Diameter Stepper Motor Coupler Aluminum Alloy Joint Connector for 3D Printer CNC Machine DIY Encoder(Pack of 4?

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Photo 1 of Xnrtop 8mm to 8mm Shaft Coupling 25mm Length 19mm Diameter Stepper Motor Coupler Aluminum Alloy Joint Connector for 3D Printer CNC Machine DIY Encoder(Pack of 4?Photo 2 of Xnrtop 8mm to 8mm Shaft Coupling 25mm Length 19mm Diameter Stepper Motor Coupler Aluminum Alloy Joint Connector for 3D Printer CNC Machine DIY Encoder(Pack of 4?