Sufix Advance H-PE Hyper Copolymer Advanced Mono Carp Line is a mono that thinks it's a braid. The most abrasion resistant, supple and sensitive monofilament ever. Sufix® Advance™ Monofilament is a combination of HMPE and Hyper Copolymer™ creating superior abrasion resistance, low stretch and sensitivity that has never been seen before.