Momoi Hi-Catch Xtra-Hard Mono-Line Leader - Momoi’s X-Hard Nylon Monofilament Line is the ultimate leader material when extremely high tensile strength and abrasion resistance are required. This monofilament is produced with a special super hard outer coating to resist abrasion and for those applications where a stiffer leader is required. 100 yard coils come packaged in a re-usable Lure Bag.