6 meter 400lb mono trace that goes between your gun and floatline with a swivel to prevent tangles.  Because it's no use trying to hide in the weed if there's a great floatline pointing at you like an arrow! Ultra high strength, extra tough performance 2mm Rob Allen shooting line is custom manufactured to exacting specifications. Engineered to provide considerably greater abrasion performance than equivalent diameter monofilament.  Rob Allen shooting line has minimal stretch, exceptional memory retention and unsurpassed UV performance. Simply the best shooting line available!