Cling Fishing Mag Grab - DeltaThe Mag Grab Delta is a revolutionary new way to hold and store your favorite flies, tools, and more for quick access. Magnetizing onto an adhesive backed anti rust steel plate, this magnetic fly patch is designed to be semi permanently attached onto any smooth surface such as boats, coolers, vehicles, and more. Combined with our custom made bottle opener, you can ensure every trip on the water with a Mag Grab Delta is a good one. The Mag Grab Delta