100% Fluorocarbon Leader Line 25Lb Test 30Yds Fishing Line Spool Premium clear fishing leader material for use with braid & monofilament. Our pure fluorocarbon is virtually invisible, fast sinking, shock absorbing with no stretch. Catch more fish with a stealthy presentation into the strike zone. The perfect FLUOROCARBON LEADER. Leader Attachment to Main Line This fluorocarbon spool pairs perfectly as leader material for our Bass Fishing Line Braid 20Lb and our Surf Fishing Line Braid 30Lb. You can tie this leader directly onto braid or mono with a blood knot for optimal invisibility. However, as a beginner, we recommend you tie your two lines together with a barrel swivel. All of our premium fishing kits come with barrel swivels. Fluorocarbon Leader Design Features Designed specifically for rigging over 75 high performance leaders attached to any fishing line styles including monofilament, braid, fluoro coated line. Our 25lb test weight sports a 0.43 mm diameter that is smaller than our competitors at the same strength giving you greater invisibility underwater at a heavier test.  Pure Fluorocarbon leader line comes in a small, compact spool for easy pocket storage while tying leaders on the go. Tie any leader imaginable and easily clinch line back into spool for convenient storage. Our nationwide team of fishing guides and experts designed this premium fluorocarbon - virtually invisible, shock resistant, fast sinking, ultra low vis, clear strike detection. The optimal balance between convenient size and affordable fluorocarbon length, tie up to 75 leaders for all the popular species in freshwater and saltwater. 25 Lb Fluorocarbon Leader Optimal Target Species in Freshwater Largemouth Bass Smallmouth Bass Northern Pike Carp Catfish 25 Lb Fluorocarbon Leader Optimal Target Species in Saltwater Red Drum (Red Fish) Snook Striped Bass Sea Trout (Speckled Trout or Weakfish) Small Shark Less than 3-4 Ft in Length - We recommend focusing on metal leaders for shark but this leader will hold up to accidental shark catches.