Specification Brand : YYU BulletPoint1 : For 5/16" Tube 1/2-20 Threads (standard 5/16" tube fitting size) Standard Steel Most common SAE inverted flare sizes Plated for corrosion resistance BulletPoint2 : made of high strength carbon steel for enhanced durability. BulletPoint3 : Direct replacement for a proper fit and easy installation, quality materials used, 100% tested before shipping. BulletPoint4 : Customer Service:Please feel free to contact with us if there is any question about anything, we will reply in 24 hours to help solve the problem. BulletPoint5 : Package Includes: 12Pcs Inverted Flare Tube Nuts ItemName : YYU 2024 Version 12Pcs Inverted Flare Steel Tube Nuts for 5/16" Tube, 1/2"-20 Threads ItemTypeKeyword : compression-fitting-nuts Manufacturer : YYU NumberOfItems : 12 PartNumber : Inverted Flare Tube Nut ProductDescription : Inverted Flare Tube Nut for 5/16" Tube (1/2-20 threads) ProductSiteLaunchDate : 2024-11-08T04:00:49.814Z UnspscCode : 40141700