This coated braid is so subtle that many will use it with just stripping the hair section. Outer coating is resilient to cracking when knotted. Sinking. Soft and flexible. Very strong core. The core is made of two different materials: fluoropolimer and Dyneema fiber. It is highly resistive to abrasion on rocks and shells. This flexible core gives you the opportunity to use it in many hooklink combinations. 20m spool.