[Superior 304 Stainless Steel Construction] Made from 304 Stainless Steel, this Hex Female Lock Nut offers durability and resistance to corrosion, expectations in terms of quality.[Dual-Purpose Fastener] Serving as both a lock nut and a spacer, this versatile plumbing fitting simplifies installation and enhances the functionality of your plumbing system.[Efficient Hex Design] The hexagonal shape of this lock nut allows for quick and easy tightening and loosening with standard tools, ensuring a secure and long-lasting connection.[Individual Packaging for Instant Use] Packaged individually for convenience, this lock nut is ready to use right out of the package, making it suit for quick repairs, replacements, or DIY projects.Specification:Material: 304 Stainless SteelThreaded: G3/8Hex Width: 20mm / 0.79"Height: 4mm / 0.16"Package Content:2 x Pipe Fitting Hex Lock nut