Specification Brand : SUOFEILAIMU-PHONE CASE BulletPoint1 : 1.Product name: universal joint coupling BulletPoint2 : 2.Material: iron plating (no. 45 steel) BulletPoint3 : 3. The coupling is great for connect your motor of 2mm and 10mm shaft. BulletPoint4 : 4. Provides torque transmision and alignment. BulletPoint5 : 5. Cost effective coupling design. ExternallyAssignedProductIdentifier : 8306047620266 ItemName : SUOFEILAIMU-PHONE CASE Metal Coupler 2/3/3.17/4/5/6/8/10mm Shaft Coupler for Motor Connector Metal Universal Joint Coupling Steering (Inner Diameter : 4mmx5mm) ItemPackageQuantity : 1 ItemTypeKeyword : pin-and-block-universal-joints Manufacturer : SUOFEILAIMU-US Material : Metal NumberOfItems : 1 PartNumber : SUOFEILAIMU-123 ProductDescription : Stainless steel is good in corrosive environments. Scope of use: motor, straight shaft, suitable for model car, model boat, robot, Etc class metal transfer use! Package Include: 1PC*Universal Joint ProductSiteLaunchDate : 2021-04-25T06:48:06.403Z Size : 4mmx5mm