Specification Brand : Edinstry BulletPoint1 : Size: Outer diameter X length: D12mm x L18mm, Inner Diameter 3.17mm. BulletPoint2 : Made of high-quality brass, with high torque rigidity, low inertia and good sensitivity. BulletPoint3 : Hexagonal rigid coupling, with 4 fastening holes on the surface, equipped with machine screws and matching hexagon wrench. BulletPoint4 : The elongated hexagonal coupling has the function of extending the shaft;The motor using this coupling can effectively extend the transmission distance, Can be used for electric car toys, robots, remote control model motors, etc. BulletPoint5 : This coupling can be used to connect the landscape motor shaft to Nine Rainbow, and it can also be used to connect the motor shaft to other model accessories. Color : brass color ExteriorFinish : Brass ExteriorFinish1 : Silver ExteriorFinish2 : Aluminum ExternallyAssignedProductIdentifier1 : 044861416174 ExternallyAssignedProductIdentifier2 : 0044861416174 ExternallyAssignedProductIdentifier3 : 00044861416174 FinishType : Polished GpsrSafetyAttestation : 1 IncludedComponents : Unit^Instruction Guide ItemName : Hexagonal Rigid Coupling D12mm x L18mm, Brass Coupling Inner Bore 3.17mm, DC Motor Connector Model Accessories, Lengthened Shaft Coupling 4 PCS ItemPackageDimensions_Height : 12.2 centimeters ItemPackageDimensions_Length : 1.6 centimeters ItemPackageDimensions_Width : 10.6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : set-screw-couplings Manufacturer : Edinstry Material : Brass MetalType : Brass ModelNumber : L099H NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : YY-AA-0003638 ProductDescription : Features: Size: Outer diameter X length: D12mm x L18mm, Inner Diameter 3.17mm. Made of high-quality metal, with high torque rigidity, low inertia and good sensitivity. Hexagonal rigid coupling, with 4 fastening holes on the surface, equipped with machine screws and matching hexagon wrench. The elongated hexagonal coupling has the function of extending the shaft;The motor using this coupling can effectively extend the transmission distance, Can be used for electric car toys, robots, remote control model motors, etc. This coupling can be used to connect the landscape motor shaft to Nine Rainbow, and it can also be used to connect the motor shaft to other model accessories.
Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. For manual measurement, there may be an error of 0.5-1mm, thank you for your kindly understanding.