Shimano Rull SUSTAIN 2500 FI Shimano Sustain FI. All-round stationary fishing reel for use in fresh and salt water. X Protect: thanks to water-repellent material and a special labyrinth structure, no water can penetrate the inside of the reel, therefore also recommended for saltwater fishing, compared to its predecessor, equipped with a stronger gear, GFree housing for better balance and fatigue-free fishing, recommended in combination with the new Sustain AX spinning rods.