Daiwa Hydroelastic delivers a wide range of settings within 1 set up: ideal for mixed fisheries & high catch rate venues.Set the tension for medium size fish & this Daiwa pole elastic will perform at its lower rating retracting perfectly every time. Hook a big fish & it will increase towards its higher rating as it is loaded with more give than standard elastic.It has a hollow construction, which is filled with a fluid. The elastic walls are held apart by the fluid when stretched & this performs as a soft-core shock absorber allowing extra stretch when a big fish is hooked. The new heavy duty red Hydroelastic is incredibly strong & will stop almost anything that swims! ....(continued here)