Fly Line Weight: [2] 6 WF, [3.5] 8 WF, [4] 10 WF * Material: ALDC12 aluminum alloy * Backing Capacity: [2] 100 yards 20 #, [3.5] 200 yards 20 #, [4] 240 yards 30 # * Recommended Use: fly fishing * Manufacturer Warranty: lifetime