Scientific Anglers Magnitude Smooth Grand Slam Full Clear Floating Fly LineHALF SIZE HEAVY LINE CLEAR FROM TIP TO BUTT. With a short, powerful head the Grand Slam loads rods quickly, cuts through the wind with ease, and turns over big saltwater flies. Tropi Core technology for tropical climates. Magnitude lines are ushering in a new era in saltwater fly line technology, headaches with clear lines are a thing of the past. NO TANGLES. SAs new family is loaded with revolutionary new technologies making it most durable and