Built using corrosion-resistant aluminum, the Rapala Mechanical Fish Gripper provides a quick, effortless way to lift and weigh your catch with one hand. Just open the jaws of the Rapala Mechanical Fish Gripper, slip it over the jaws of the fish, and then lift up. The Rapala Mechanical Fish Gripper securely holds onto your fish while simultaneously displaying an easy-to-read measurement on the spring loaded scale. The scale generates an accurate reading using one-pound increments – all the way up to 50lbs. The ultimate combination of functionality and performance, the Rapala Mechanical Fish Gripper is a must-have for any boat in fresh and saltwater.