Mfg.,Part No.,Desc.,Units,ID,OD,Length,Material,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine Giant Leap,BH-2.15,2.15 in. Bulkhead,mm,0.,54.609999999999999,5.08,Birch,0.,g,0.,0,,,,,,, Giant Leap,BH-2.56,2.56 in. Bulkhead,mm,0.,65.024000000000001,5.08,Birch,0.,g,0.,0,,,,,,, Giant Leap,BH-3.00,3.00 in. Bulkhead,mm,0.,76.200000000000003,5.08,Birch,0.,g,0.,0,,,,,,, Giant Leap,BH-3.90,3.90 in. Bulkhead,mm,0.,99.060000000000002,5.08,Birch,0.,g,0.,0,,,,,,, Giant Leap,BH-6.00,6.00 in. Bulkhead,mm,0.,152.40000000000001,12.699999999999999,Birch,0.,g,0.,0,,,,,,, Giant Leap,BH-7.51,7.51 in. Bulkhead,mm,0.,190.8048,12.699999999999999,Birch,0.,g,0.,0,,,,,,,