PART NO. THREAD WELD TUBE O.D DIMENSIONS E D A B S1 5JW9-04IN 7/16"X20 1/4" 24.5 22.5 11 5JW9-06IN 9/16"X18 3/8" 26.9 22.5 14 5JW9-08IN 3/4"X16 1/2" 32 26 19 5JW9-10IN 7/8"X14 5/8" 37.8 31 22 5JW9-12IN 1.1/16"X12 3/4" 46 34.5 30 5JW9-16IN 1.5/16"X12 1" 51 41 36 5JW9-20IN 1.5/8"X12 1.1/4" 55.5 43 41 5JW9-24IN 1.7/8"X12 1.1/2" 62.5 53 48 Nut and sleeve should be ordered separately.The nut NB200 and sleeve NB500 is suitable for metric tube,the nut NB200 and sleeve NB300 is suitable for inch tube