The Scientific Anglers Amplitude Smooth Grand Slam Saltwater Fly Line is engineered to help you achieve the legendary grand slamtarpon, bonefish, and permitall with one line.

Designed with a short, powerful head, it delivers maximum energy transfer for casting in windy conditions and turning over heavy flies like crabs, shrimp, and tarpon toads. Part of the Amplitude Smooth series, it offers up to five times less drag and eight times the durability of traditional lines. Whether you’re stalking flats or casting into gusts, the Grand Slam line ensures optimal performance, making it the go-to choice for serious saltwater anglers.

• Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
• The perfect line for bonefish, tarpon, and permit on the flats; also great for snook, redfish, and sea trout
• Overweighted by .75 sizes to load rods quickly; use designated line weight for your rod
• Short, powerful head turns over long leaders with heavy flies
• Tropi-Core technology remains stiff and slick in tropical environments
• SA AMP SMTH GR SLAM WF X F (X = line weight)

Species: Redfish, Bass, Bonefish, GT, Permit, Snook, Tarpon
Water Type: Saltwater