Aopin 4mm to 4mm Rigid Couplings Set Screw Shaft Stepper Motor, Length 25mm / 1" Motor Coupler Connector Rigid with Screw for 3D Printer, RC Robot, Car Model Shaft, CNC Machine, DIY Encoder 2 Pcs 4 to 4 Blue Style:Blue 0-6 inch/150mm

0-6 inch/150mm

Unique four-way expansion that assures a tight grip in the hole

lockers and much more

06 " Loop Thickness: 9mm/ 0

Aopin 4mm to 4mm Rigid Couplings Set Screw Shaft Stepper Motor, Length 25mm / 1" Motor Coupler Connector Rigid with Screw for 3D Printer, RC Robot, Car Model Shaft, CNC Machine, DIY Encoder 2 Pcs 4 to 4 Blue Style:Blue 0-6 inch/150mmAopin 4mm to 4mm Rigid Couplings Set Screw Shaft Stepper Motor, Length 25mm 1" Motor Coupler Connector Rigid with Screw for 3D Printer, RC Robot, Car Model Shaft, CNC Machine, DIY Encoder 2 Pcs Rigid Flange Coupling, Often Used In High Torque Transmission Occasions Flange coupler is produced based on International Flange Standard, widely used in model shaft connection, perfect accessories for RC Model motor. Material Is Strong And Durable, No Need To