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. 330yds per spool. 50% Lower stretch and UV absorption than standard monofilament. Excellent abrasion resistance. Superior sensitivity. Smooth long casting. Unbeatable knot strength. Low memory.