Whisker Seeker Monofilament Leader Line gives catfish anglers a clear, easy-handling leader option that stands up to flatheads, blues, and channel cats around rock, brush, and submerged structure. The single-strand nylon construction offers ultra-high abrasion resistance and reliable knot strength, while the ultra-low memory helps rigs lay straight when tying hooks, swivels, and sinker setups for drifting fresh cut bait or anchoring in current. Compact 50-yard EZ-retrieve spools pack neatly into tackle bags and keep leader material ready for quick changes on the bank or in the boat. Single-strand nylon mono with ultra-high abrasion resistance Easy knotting with dependable strength for heavy catfish rigs Ultra-low memory reduces coil and tangle issues Clear color on compact 50-yard EZ-retrieve spools Test (lbs.) Diameter (mm) 60 0.70 80 0.80 100 0.90