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 Insulates up to 600 volts/mil

Insulates up to 600 volts/mil and dissipates heat generated well so as to resist melting

lockers and much more

0-6 inch/150mm

all surfaces should be clean and free of dust or dirt before placing any tape on them

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 Insulates up to 600 volts/milAopin 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