KastKing World's Premium Monofilament Fishing Line - Paralleled Roll Track - Strong and Abrasion Resistant Mono Line - Superior Nylon Material Fishing Line - 2015 ICAST Award Winning Manufacturer Unique design of paralleled roll track, lines never sink into the spool and less spool memory Soft and supple, easy to tie knots and giving lures or baits vivid motion Round and silky smooth, easy long casting Superior abrasion-resistance, less worry when fishing in heavy cover Awesome features for bass, trout, crappie fishing and also great in saltwater fishing