Specification AgeRangeDescription : adult Brand : Uxsiya BulletPoint1 : [High Durability]: Constructed from premium aluminum alloy, the 4mm coupling offers superior strength and reliability. Silver color adds a modern touch to your motor. BulletPoint2 : [High Performance]: The 4mm inner diameter ensures optimal rotation and maneuverability, making it essential for any motor enthusiast. BulletPoint3 : [Secure Mechanism]: 4mm universal hub includes stainless steel hex set screw for secure attachment of the motor to the wheel hub. BulletPoint4 : [Strong Compatibility]: Enhance your motor's performance with the 4mm aluminum alloy coupler for Mecanum wheel 60mm. Compatible with wheel models 14144 and 14159. BulletPoint5 : [Precise Sizes]: Designed with an outside diameter of approximately 28mm and a hole diameter of approximately 16mm for a secure fit. Inside diameter of 4mm ensures smooth movement. Color : One Color Department : Unisex Adult ExternallyAssignedProductIdentifier : 8155454192978 IncludedComponents : No ItemName : 4mm Aluminum Alloy Flange Coupling Connector Rigid Guide Coupler for Mecanum Wheel 60mm ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 4 centimeters ItemPackageDimensions_Width : 4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : set-screw-couplings Manufacturer : Uxsiya Material : Metal ModelName : HLYTFV ModelNumber : Uxsiyaiwc4mua57h NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Uxsiyaiwc4mua57h ProductDescription : 1. STRONG COMPATIBILITY: Enhance your motor's performance with the 4mm aluminum alloy coupler for Mecanum wheel 60mm. Compatible with wheel models 14144 and 14159. 2. PRECISE SIZES: The coupling has an outside diameter of approximately 28mm and a hole diameter of approximately 16mm for a secure fit, while the inside diameter is approximately 4mm for smooth and efficient movement. 3. DURABLE AND STURDY: Constructed from premium aluminum alloy, the 4mm coupling offers superior strength and reliability. Its silver color adds a modern and stylish touch to your motor. 4. HIGH PERFORMANCE: The 4mm inner diameter ensures optimal rotation and maneuverability, making it an essential component for any motor enthusiast. 5. SECURE MECHANISM: 4mm universal hub includes a stainless steel hex set screw, which offers secure and robust attachment of the motor to the wheel hub.