Specification Brand : Aihjcnele BulletPoint : The package will be delivered within 2-3 weeks BulletPoint1 : ✅Thickness: approximately 2.8-3.1 millimeters ,Inner diameter: approximately 16 mm BulletPoint2 : ✅Fixed hole diameter: approximately 3.8mm , Bracket size: approximately 68mm * 55.4mm * 26.5mm BulletPoint3 : ✅1 pcs weight: approximately 7 grams ,Material: Imported Acrylic BulletPoint4 : ✅For specific product details and parameter information, please refer to the product description at the bottom of the page. For more information on how to use the product, please refer to the product description. BulletPoint5 : ✅If the product has any quality problem , pls contact us by email , How to contact us ? Please click “ AIHJCNELE ”(you can find "Sold by AIHJCNELE " under Buy Now button), in the new page, click “Ask a question” to email us ExternallyAssignedProductIdentifier1 : 0755502092533 ExternallyAssignedProductIdentifier2 : 755502092533 IncludedComponents : No ItemName : AIHJCNELE 4pcs Ultrasonic Sensor Mounting Bracket for HC-SR04 Cartoon Ultrasonic Distance Sensor Module Fixed Bracket DIY Robot Smart Car Holder Fixed Tools for SR04 Install Fixing Brace (Red) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : ultrasonic-proximity-sensors Manufacturer : AIHJCNELE Material : Red ModelName : WALFRONTiomra1z3kw ModelNumber : 1866346 MountingType : Threaded NumberOfContacts : 1 NumberOfItems : 1 NumberOfLevels : 1 PartNumber : WALFRONTiomra1z3kw ProductDescription : AIHJCNELE 4pcs Ultrasonic Sensor Mounting Bracket for HC-SR04 Cartoon Ultrasonic Distance Sensor Module Fixed Bracket DIY Robot Smart Car Holder Fixed Tools for SR04 Install Fixing Brace ProductSiteLaunchDate : 2023-04-17T09:51:47.629Z Style : dbk+4/Empf/M12/3BEE/M18 (16681) SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 4