Sportsman's Warehouse Adjustamag Magnetic Net Keeper - The Adjustamag net keeper features a unique tension adjustment system which allows you to set the strength of the magnet to your preference. Built with anodized, knurled aluminum, a strong magnet, and includes a carabiner. Your net is always there when you need it, without a tether to get tangled in the line. Unique tension adjustment system Built with anodized, knurled aluminum A strong magnet Includes a carabine Comes packaged in a medium snappy container.