Aluminum Alloy Coupling D12L20 red Rigid Top Line Coupling 2/2.3/3/3.17/4/5/6mm CNC Claw Shaft Stepper Motor Connection Shaft

Inner Diameter: 2mm to 2.3mm 2mm to 2mm 2mm to 2.3mm 2mm to 3mm 2mm to 3.17mm 2mm to 4mm 2mm to 5mm 2mm to 6mm 2.3mm to 3mm 2.3mm to 4mm 2.3mm to 5mm 3mm to 3mm 3mm to 3.17mm 3mm to 4mm 3mm to 5mm 3mm to 6mm 3.17mm to 3.17mm 3.17mm to 4mm 3.17mm to 5mm 3.17mm to 6mm 4mm to 4mm 4mm to 5mm 4mm to 6mm 5mm to 5mm 5mm to 6mm 6mm to 6mm
specification :
Standard or Nonstandard : Standard
Origin : Mainland China