Use these nets for capturing, testing and analysis. Great for capturing all types of migratory birds in testing for bird flu. Cannon Nets are made using #6 Knotted seine netting, 1-1/4" Square, 2-1/2" stretched. Each net has 4 bridles for the rocket launchers, 5 anchor ropes and a 3 ft skirt on all sides. All ropes are 5/16" Solid Braided Nylon. Cannon not included.