Illusion builds on the Diamond reputation of unmatched strength, superior abrasion resistance, low memory and the proven reliability of all Diamond monofilaments. Diamond Fishing Products Illusion is an advanced multi-polymer fishing line designed to meet the specific demands and stresses of light tackle fishing. Illusion is the latest step in the evolution of monofilament fishing line, manufactured by an exclusive extrusion technology combining unique resins with advanced polymers to engineer a monofilament of unmatched strength, sensitivity, abrasion resistance and suppleness. Illusion is stronger when compared by diameter, has 20x greater abrasion resistance and significantly less stretch than regular nylon monofilament lines . Illusion boasts wet knot strengths of up to 95-100% of stated line test with lower water absorption. Because of its ultra smooth finish, Illusion casts farther than any other monofilament PERIOD!