Description:
Durable Material: coupling connector is made of fine plating steel, heat and electroplated process make it sturdiness and insulation, striking shaft more stable and easy for installment and replacement.
Wide Range of Use:flange coupler is produced based on International Flange Standard, widely used in model shaft connection, perfect accessories for RC Model motor.
Standard Specification:
        Inner Diameter: 6mm/0.23inch. Cylinder Outer Diameter: 16mm/0.62inch. Cylinder Height: 10mm/0.39inch. Base Diameter: 32mm/1.25inch. Base Height: 3mm/0.11inch. 
       Inner Diameter: 8mm/0.31inch. Cylinder Outer Diameter: 16mm/0.62inch. Cylinder Height: 10mm/0.391inch. Base Diameter: 32mm/1.25inch. Base Height: 3mm/0.11inch. 
      Inner Diameter: 10mm/0.39inch. Cylinder Outer Diameter: 16mm/0.62inch. Cylinder Height: 10mm/0.391inch. Base Diameter: 32mm/1.25inch. Base Height: 3mm/0.11inch. 
      Inner Diameter: 12mm./0.47inch Cylinder Outer Diameter: 18mm/0.7inch. Cylinder Height: 10mm/0.39inch. Base Diameter: 32mm/1.25inch. Base Height: 3mm/0.11inch. 

Package included:4Pcs Flange Shaft Coupling + 1Pcs M4 Mini Hex Wrench + 8 x M4 Fastening Screw.