RIO Powerflex Trout Leaders gives anglers superior control - even in the toughest conditions. The aggressive taper and powerful butt section cuts through wind and provides better turn over for maximum control of your casts. Durable copolymer material and built-in loops give Rio(R) Powerflex(R) Trout Leader lasting performance and make them easy to rig for anglers of all skill levels. FEATURES: RIO(R) Powerflex(R) Trout Leaders Tailored with a powerful butt section for better turn over and wind penetration Helps cast streamers and indicator rigs Advanced copolymer for high knot strength Easy rigging with built-in loops Ideal for nymph/indicator rigs, streamers, and dry flies RIO SPECS: 6X Model: 6-24609 Line Size: 6X Pound Test: 3.4 lbs. Length: 9 ft. Diameter: .005 in. 5X Model: 6-24610 Line Size: 5X Pound Test: 5 lbs. Length: 9 ft. Diameter: .006 in. 4X Model: 6-24611 Line Size: 4X Pound Test: 6.4 lbs. Length: 9 ft. Diameter: .007 in.