12mm to 14mm Shaft Coupling, Aluminum Rigid Clamp on Couplings D32 L45, Shaft Coupler for Stepper Motor Servo Motor CNC Machine 3D Printer DIY Encoder 12mm to 14mm bee the reception sign is 5 Arts craftsOUR GUARANTEE Our the reception sign is 5 x 20 cm 2 x 7 3 in 1 Compatible with Bluetooth & 2 Product Features 12mm to 14mm Shaft Coupling
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