The Under Zero Nymph Leaders are the ultimate expression of technological innovation in the field of nymph leaders. They are made with an innovative mixture of Nylon and Fluorocarbon polymers and are externally coated with a highly abrasion-resistant layer for unparalleled smoothness through the rod guides. Three colors available, Fluo Yellow, Fluo Orange, and Black for excellent visual control during fishing while remaining practically invisible to fish, thanks to the outer fluorocarbon layer. Packaged in a practical, reusable transparent plastic spool containing 10 meters, they are offered in five sizes to meet all fishing needs, both for competitions and leisure. - 10 meter spool - Spooled in Italy - Level Leader for nymph and dropper fishing - Excellent sliding on the guides - Completely memory-free - Low elongation - High knot strength - Solid and permanent colors - Fluo Orange color - Available diameters: 0.18 - 0.20 - 0.23 - 0.26 - 0.29 - Packaging dimensions: L163xW85xH23