PART NO. THREAD WELD TUBE O.D DIMENSIONS E D B C L S1 S2 3JW-04S/IN 7/16X20 1/4" 3 9 17 12 15 3JW-06S/IN 9/16X18 3/8" 4 10.5 18.5 14 19 3JW-08S/IN 3/4X16 1/2" 4 11 20.5 19 24 3JW-10S/IN 7/8X14 5/8" 5 13 22 22 27 3JW-12S/IN 1.1/16X12 3/4" 5 15 28.5 27 32 3JW-16S/IN 1.5/16X12 1" 6 16 29.5 32 41 3JW-20S/IN 1.5/8X12 1.1/4" 6 17 33 41 50 3JW-24S/IN 1.7/8X12 1.1/2" 6 20 35.5 50 55