Specification Brand : Tomotato BulletPoint1 : 10PCS IN 1 SET: Including 10pcs cylindrical coupling nut, with standard thread specification, convenient for installation and replacement.Internal thread M12*1.75mm, outer diameter 16mm, overall length 40mm, sufficient to meet daily needs. BulletPoint2 : EASY TO USE: These thread round coupling nuts have a glossy appearance, no burrs or notches, and won't hurt your hands when used. Each coupling nut can connect two threaded pipes at both ends, which can then be fixed with screws. BulletPoint3 : 304 STAINLESS STEEL: These connecting nuts are made of 304 stainless steel, with good rusty resistantly and corrode resistantly, it is sturdy and durability, not easy to deform, and can be used for a long time. BulletPoint4 : MAIN PURPOSE: These coupling nuts are designed to fix 2 parts together, usually threaded rods, to ensure stable and reliability structure of parts, and great for both indoor and outdoor use. BulletPoint5 : WIDE APPLICATION: This round coupling nut has multiple functions. Used in home decoration, mechanical maintenance, equipment maintenance, pipeline repair, etc., with strong practicability. Color : 10pcs M3 (od 6mm) ExternallyAssignedProductIdentifier : 6166955445922 ItemName : 10PCS Round Coupling Nuts, M12 1.75mm Female Thread 16mm, 304 Stainless Steel Female Thread Cylindrical Connection Nut Hardware Set ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : coupling-nuts Manufacturer : Tomotato ModelNumber : Tomotatohx34ozkwqn NumberOfItems : 10 NumberOfPieces : 1 PartNumber : Tomotatohx34ozkwqn ProductDescription : Item Type: Coupling Nut Material: 304 Stainless Steel Specification: M12x1.75-16 L40mm