The Korda Dark Matter QC Hybrid Lead Clip Leaders are a fused plastic leader available in three tints to precisely match the lake bed you're fishing and they have two tungsten bands along their length, helping to pin your tackle to the lake bed. The QC options allows for a 'Quick Change' of your rig easily via a loop on your hooklink. Available in two lengths 50cm and 1m as some venues restrict maximum leader length it has a breaking strain of 30lb.