PM628506 | TacklePro ProLine 10.0kg/20lb – 590m Spool 590m Spool Hang Sell Pack Diameter 0.45mm Extruded From Japanese Copolymer Has a lower stretch than mono while maintaining shock strength. Tying knots and casting are still a breeze and it has even lower memory. It s also stronger than mono for its size and is more abrasion resistant.