6Pack Vgoohobby Brass Motor Shaft Coupling Coupler Connector Sleeve Joint Adapter for RC DIY Airplane Boat Robot (3.17mm to 3.17mm)

6Pack Vgoohobby Brass Motor Shaft Coupling Coupler Connector Sleeve Joint Adapter for RC DIY Airplane Boat Robot (3.17mm to 3.17mm)

• Ideal for RC Model motor,widely used in model shaft connection.compatible with RC DIY Airplane Boat Robot.
• Made of high quality brass,durable in use.A variety of sizes available to be chosen.
• Inner Diameter: (Size Optional) 2mm-2mm/3mm-3mm/3mm-4mm/3mm-5mm/3mm-6mm/3.17mm-3.17mm/4mm-5mm/5mm-5mm/6mm-6mm
• Outer Diameter: 9mm. Height: 20mm
• Pack of 6Pcs,with Screws.Well made,a good Compatible with your old or broken one.