6.35mm to 8mm Flexible Shaft Coupling Rigid Stepper Motor Wheel Coupler Connector Aluminum Alloy Casing with 4pcs M4 Screw + 1pcs Hex Head Spanner, Water Blue

Features:High Quality: Made of aluminium alloy material, light, anti-oxidant, and anti-corrosive, delicate CNC cut with outstanding appearance, high precision fine workmanship, long service life.Function: Used for connecting the driving shaft and the drived shaft of model motors, can convey the driving force steadily in the precise coaxiality.Use: Commonly used for shafts that transmit motion, and widely used in DIY model, such as RC model, car or boat etc. as connector for different parts as joint connector. Specifications:Type: Couplings ShaftMounting Hole: M4Material: Aluminium AlloyColor: Dark Red/Water Blue/Dark BlueThree Types Coupler:1.Diameter*Length:12*20mm, color is Dark Red2.Diameter*Length:14*25mm, color is Dark Blue and Water Blue3.Diameter*Length:16*25mm, color is Water BluePackage Included:1 x Coupler1 x Hex Head Spanner4 x M4 Screws