This leadcore is an outstanding product and totally exclusive to The Fishing Bag. Unlike other leadcores it has a woven, nylon outer coating. This is designed to trap mud and silt particles, helping the leader to blend into the lake or river bed being fished. It has a breaking strain of 30lb and has outstanding abrasion resistance, it has aided in the capture of carp to over 80lb. This leadcore really does improve presentation around the hook bait.