High-class shock leader made of pure fluorocarbon. It is characterized by high resistance to abrasion and damage as well as stretching. Shock Leader Smooth Lock provides high strength with a relatively small diameter. Created in the Nano Slit® technology, thanks to which the knot connecting the shock leader with the braid has a much higher breaking strength. Nano Slit® is a technology patented by Toray® that significantly increases the breaking strength of the knot connecting the shock leader with the braid. It consists in making grooves with a size of 1/1,000,000 mm on the surface of the fluorocarbon, thanks to which the friction between the leader and the braid increases.