Scientific Anglers- Amplitude Smooth Infinity Saltwater Fly Line
$99.95
The Infinity Salt is technical, versatile, accurate and simply the most advanced saltwater line available. Featuring the revolutionary AST Plus slickness additive for superior shooting ability and increased durability the Infinity Salt will handle the most rigorous of conditions year after year.
The Amplitude Smooth Infinity Saltwater fly line from Scientific Anglers is truly a go-to line for all saltwater species. Truly one of the best saltwater lines ever made. Winner of “Best New Saltwater Fly Line” at the IFTD in 2019.
The Amplitude Smooth series of lines are, simply put, the highest-performance smooth fly lines in the world. With up to five times less drag and eight times the durability of traditional lines, this will change the way you look at fly line performance.
The Infinity Salt is technical, versatile, accurate and simply the most advanced saltwater line available. Featuring the revolutionary AST Plus slickness additive for superior shooting ability and increased durability the Infinity Salt will handle the most rigorous of conditions year after year. The Infinity Salt is a half line weight heavy to turn over any fly on even the windiest of days. The extended head length makes it more accurate then short shooting heads so that you can land your fly to spooky fish in the most efficient manner.
* Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
* Made half size heavy turns over large flies on windy days
* Extended head length for accuracy at distance
* High-contrast sighter to identify the back of the line when fighting fish on long runs
* Tropi-Core technology remains stiff and slick in tropical environments
* Color is Black/Sand/Horizon
* SA AMP S INFNTY SW WF XX F – (X = line weight)
Scientific Anglers Amplitude Smooth Infinity Saltwater Fly Line- available here in WF 8wt- 12wt
Grain Weights:
8wt = 225 grains
9wt = 260 grains
10wt = 305 grains
11wt = 355 grains
12wt = 415 grains
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Fly line grain-weight specifications
This is the official AFTMA (American Fishing Tackle Manufacturers Association) chart of fly line grain-weight specifications, based on the front 30 feet of a fly line.
Our website lists the grain weights for each line in its description. Compare that weight with the chart to see whether a particular line is true to size or overweighted.
Weight in grains for the first 30 feet of fly line
| Line Weight | Low | Target (in grains) | High |
| 1 | 54 | 60 | 66 |
| 2 | 74 | 80 | 86 |
| 3 | 94 | 100 | 106 |
| 4 | 114 | 120 | 126 |
| 5 | 134 | 140 | 146 |
| 6 | 152 | 160 | 168 |
| 7 | 177 | 185 | 193 |
| 8 | 202 | 210 | 218 |
| 9 | 230 | 240 | 250 |
| 10 | 270 | 280 | 290 |
| 11 | 318 | 330 | 342 |
| 12 | 368 | 380 | 392 |
| 13 | 435 | 450 | 465 |
| 14 | 485 | 500 | 515 |
| 15 | 535 | 550 | 565 |
Have more questions? Contact us or watch this video we made explaining the concept:
- Free shipping on orders over $50 within the continental US (UPS Ground or USPS). Orders under $50 ship for $7.95.
- Faster options: 2-Day and Overnight are available at checkout for an additional charge.
- Processing: Orders ship the same day or the next day. You’ll receive a tracking number via email once your package leaves the shop.
- Oversized items: Some large or heavy items carry a shipping charge. If so, it’s listed on the product page and added automatically at checkout.
- Back-orders: No backorders. If we don't have it, you can't buy it!
- International: Canada $29.95 (under 4 lbs) or $49.95 (over 4 lbs). All other countries $49.95 (under 4 lbs) or $69.95 (over 4 lbs).
- Sales tax: Applies only to orders shipped within Ohio.
If you need to return an item for any reason:
- Simply follow the instructions that are provided with each order.
- Send us a quick e-mail, [email protected] and / or drop a note in the return package with the following information: Your name, Order Number, Item(s) and a quick note on reason for returning.
These instructions will also be printed on the return/address form. Please note that if it has been longer than 30 days, we will need to contact you to get a credit card number in order to apply for the credit. Please make sure that we get a good phone number in that case. - Drop the item in the Mail / UPS to us and that’s it – We’ll be looking for it!
We will be waiting for the item and will issue an immediate credit to your credit card account or you may leave the money on the store account for future purchases. If we don’t hear otherwise, the refund will go back on the exact card used for the transaction. *Note: If an item was not purchased via the internet, phone or the purchase was made more than 30 days previous, we will need to contact you to secure a means of credit.
- Once we process your return, we will make a note on your “Customer Service Notes” and then drop your return/credit receipt in the mail.
- Non-defective, returned merchandise must be in re-sellable condition.
- Please make non-defective returns within 30 days of purchase – please contact us if more time has passed.
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