Part No. Tube O.D. T in E Min h in H in F l l1 l2 L L1 Panel Hole DrillSize Max Panel Thickness PBR-02-02 1/8 2.03 1/2 7/16 12.70 42.92 24.63 13.46 49.53 31.24 8.33 12.70 PBR-04-04 1/4 4.82 5/8 9/16 15.24 48.51 26.16 15.74 55.88 33.52 11.50 10.16 PBR-06-06 3/8 7.11 3/4 11/16 16.76 53.84 29.46 17.52 61.21 36.83 14.68 11.17 PBR-08-08 1/2 10.41 15/16 7/8 22.86 62.73 31.75 23.11 72.89 41.91 19.44 12.70