80 feet of 2mm Green Fuse for Model Rocketry, Mini Cannon, Fireworks (4 x 20ft Rolls) Go to amazon.com Related posts Which is the best firework fuse roll? Feature2mm DiameterGreen4 rolls. Each roll is 20 feet longBurn Rate of 24-27 seconds per foot. Description80 feet of 2mm Green Fuse for Model Rocketry, Mini Cannon, Fireworks (4 x 20ft Rolls)