Drennan Greased Weasel Shock Leader, Drennan Greased Weasel has got to be one of the best selling shock leaders ever made for sea fishing. Its high strength and abrasion resistance make it one of the most popular sellers. It is available in 3 colours and 3 breaking strains. Clear, Orange and Grey. 40LB, 50LB, 60LB. Ideal for shock leaders and rig bodies.