TUBE OD - T A E F G H PART NO. mm mm mm mm mm mm 3 22.3 2.4 11 11 15.7 D-T3 6 27 4.8 14 14 19.6 D-T6 8 28.8 6.3 16 16 21.3 D-T8 10 31.5 7.9 17 19 23.9 D-T10 12 36 9.5 22 22 25.9 D-T12 14 38 11.1 24 25 27.9 D-T14 15 38 11.9 24 25 27.9 D-T15 16 39.8 12.7 24 25 27.9 D-T16 18 39.8 15.1 27 30 29.7 D-T18 20 44.6 15.9 32 32 34.5 D-T20 22 44.6 18.3 32 32 34.5 D-T22 25 49.1 21.8 35 38 36.8 D-T25 TUBE OD - T A E F G H PART NO. inch mm mm mm MM MM 1/8 22.4 2.4 11 11 15.8 2D-T 1/4 26.9 4.8 14 14 19.6 4D-T 5/16 28.7 6.3 16 16 21.36 5D-T 3/8 30.5 7.1 17 17 23.2 6D-T 1/2 36 10.4 22 22 25.9 8D-T 5/8 38.1 12.7 24 25 27.9 10D-T 3/4 39.9 15.8 27 28.5 29.7 12D-T 7/8 44.7 18.2 35 32 34.6 14D-T 1 49 22.3 35 38 36.8 16D-T