Specification Brand : Fielect BulletPoint1 : 【Specification】 - Thread Size: M3; Length: 52mm/2.05 inch; Outer Diameter: 12mm/0.47 inch; Inner Hole Dia: 4mm x 4mm/0.16 inch x 0.16 inch BulletPoint2 : 【Material】 - The universal joint coupling nuts are made of premium material, which is sturdy and durable for long lasting use. BulletPoint3 : 【Feature】 - universal joint coupling adopts a special coupler, used for connecting the motor shaft and the hexagon wheel of the robot, toy cars, and other models. BulletPoint4 : 【Advantage】 - The universal joint coupling provides torque transmision and alignment,cost effective coupling design,which is very flexible and easy for use. BulletPoint5 : 【Application】 - The rotable coupling is perfectly applicable for RC model car and RC model boat,is perfect motor shaft fitting accessories. Color : Silver DriveSystem : External Hex ExteriorFinish : Zinc,Steel ExternallyAssignedProductIdentifier1 : 0884591495557 ExternallyAssignedProductIdentifier2 : 884591495557 FinishType : Silver GpsrSafetyAttestation : 1 GradeRating : commercial ItemName : Fielect 4mm to 4mm Inner Dia Bore Rotatable Universal Joint Shaft Coupling with Screws for Robot Boat Car Shaft Motor Connector Coupler ItemPackageDimensions_Height : 12.0904 centimeters ItemPackageDimensions_Length : 1.6002 centimeters ItemPackageDimensions_Width : 11.7094 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : coupling-nuts Manufacturer : Fielect Material : Metal MeasurementSystem : Metric MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Alloy Steel ModelNumber : M10 x 1.5 x 60mm NumberOfPieces : 5 PartNumber : FLT20190905K-0107 ProductDescription : Fielect Universal Joint CouplingParameters: Brand: Fielect Thread Size: M3 Length: 52mm/2.05 inch Outer Diameter: 12mm/0.47 inch Inner Hole Dia: 4mm x 4mm/0.16 inch x 0.16 inch Product description: 1. Universal joint coupling is made of high quality material, sturdy, reliable and strictly functional. Durable and insulation, make your shaft more stable, easy to install and replace. 2. The universal joint coupling is suitable for model car, model boat, hardware , mechanical drive situations etc. Package Include: 1Pcs x Universal Joint Coupling Note: Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. ProductSiteLaunchDate : 2020-11-24T06:44:55.431Z Size : 4 to 4 1pcs SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 31161500