The Eagle Claw Big Eye Spring Bobber adds sensitivity to your ice fishing rod to help you detect even the slightest bite. This Spring Bobber is bright-colored and highly visible, easily mounts to any ice rod, and has a big eye for easy ice-out. The Big Eye Spring Bobber is easily adjustable to create the tension setting you need for specific lure weights. The Eagle Claw Big Eye Spring Bobber is approximately 5" in length.