Stainless Steel Thread Adapter female 1/2-28 M14x1 M15x1 m13.5x1 5/8x24 to male 1/2x28 -- Thread size: Female 1/2-20 RH to 1/2-28 RH maleFemale M13.5x1LH to 1/2-28 RH maleFemale M14x1 LH to 1/2-28 RH maleFemale M14x1 RH to 1/2-28 RH maleFemale M15x1 RH to 1/2-28 RH maleFemale M15x1 LH to 1/2-28 RH maleMale: 1/2X28 , Female: multi-specificationDimensions:H:1.3" x OD:0.89" approx 1.41ozPrecision CNC manufacturing ensures a precise fit and easy installationManufactured from high grade stainless steelIncreased outer thread length ensures secure attachment to accessoryAll adapters are checked with go/no go thread gauges to confirm the threads are cut and sized correctlyScope of supply:1 x Stainless Steel AdapterPlease allow certain errors in the measurementIf you have other thread requirements, please , we provide custom service===================================================================: 1/2x28 threads.Material: AluminumColor:black silver red blue purpleNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.Package Included:1x Thread ProtectorKnurled for quick, tight and tooless use.Small Compact highly effective.Thread: 1/2x28 threads.Material: AluminumColor:black silver red blue purpleNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.Package Included:1x Thread Protector100Fits all 1/2x28 threaded barrels.Knurled for quick, tight and tooless use.Small Compact highly effective.Thread: 1/2x28 threads.Material: AluminumColor:black silver red blue purpleNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.Package Included:1x Thread Protectore=products cols=4 colspace=10 rowspace=10 showName=true showPrice=true Thread size: If you have other thread requirements, please , we provide custom serviceMaterial: 304 stainless steelPrecision