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SC Micro Thin Dry Floating Fly Line with Overhang Marker®️

✓ Micro Thin fly line for ultra delicate presentation
✓ White Overhang Marker™️ 10 out of 10 perfect casts
✓ Exceptional dry fly & nymph / euro nymph line
✓ Great for not spooking fish during rises
✓ Great for smaller rivers & stillwater or shorter rods




Head Length

Total Length

Stuart Crofts Microthin #1

6.5g at 30'



Stuart Crofts Microthin #2

7.8g at 30'



Stuart Crofts Microthin #3

8.2.g at 30'



Stuart Crofts Microthin #4

9.5g at 30'



Customer Reviews

Based on 53 reviews
DS (London, GB)
Caught plenty of wild trout .

I fished a 7' 6" 2 weight Microlite with 1 weight Stuart Crofts' line & 14' leader. Caught plenty of wild trout

Milo (Lenggries, DE)
StuartCroft line

Hi Sunray Team,
My first impression is Wow.. ! Used normally the other brands , and this Line is so a completely different.
So thin, no memory, and the loop is so slick / smooth !
The loop it self has no ( or little) coating, and the transition to the line is so slick and smooth.
It runs with no resistant through the guides. The loop we all know, are always stiff and do get caught up in the guides,
the coating will brake after a while.
off course the line casts perfect . (use a 7'' #3 Rod)
( also bought the 50yards Backing, also a perfect product.)
Thank you
Best regards

Chris Gray (Inverness, GB)
Fantastiic product, changed my fishing !

I paired the #3 SC Dry Fly Line with my G.Loomis NRX LP 8'8" having used DT lines until now. First time out was into double figure wild browns on a large scottish river. I used the line with a 5 1/2 ft furled leader. The line cast very easily with excellent control and mended nicely, accuracy at distance was very good. I had 3 fish after shooting the line a fair bit past the overhang marker, distances I wouldn't have normally attempted with DT lines due to the risk of making a mess, the line cast perfectly. For a couple of hours it got pretty windy, I continued as normal when I usually would have called it a day. Overall the line is a pleasure to use providing a combination of delicate presentation, and accuracy, I honestly didn't think the line would make so much of a difference to my fishing and was a bit hesitant to make the change, very glad I did - excellent product !

I used Line Slik as recommended by Tom, while I can't say how the flotation properties compare to Red Mucilin but I definitely found it much much easier to work with and will also be using it on my furled leaders going forward. I have the World Nymph Line for my Maxia SX 10ft 2wt which I will be trying out just shortly and am looking forward to trying the Hybrid Tippet when fishing dries.

Richard Wright (Sheffield, GB)
SC micro thin

I’m a GAIA instructor. www.castingwright.com
I have just bought my sixth one of these lines.
You have to be sure you understand what you are buying. As long as you do, I think they are good value (especially if you buy them in the sale... sorry JL)...
These lines are over weighted for their designated #wt. This is NOT a bad thing, you just need to know. They compare, weight wise, very similarly to the specialist Rio single handed spey which cost twice as much. However they are slimmer and an appealingly stealthy dull, neutral colour.
Very good for loading a stream rod at close quarters where you are casting at less than 30 feet. Roll casts very nicely. Good lines for the beginner/improver to try if you feel the usual fly line doesn’t seem to give you enough sensation of load or “feel” on the forward cast.
The tip can crack up a bit with use but this doesn’t seem to impact on effectiveness in practice.
As always keep it clean, dry it out and use line dressing regularly.
I have no financial or other interest in Sunray.

Vaclav Dvorsky (Prague, CZ)
Just perfect!

I have used only lines from Sunray for over two years and am delighted.

Great to hear Vaclav. Your positivity and the time taken to leave a review is much appreciated by the Sunray Team.

John Leonard (Nottingham, GB)
One of my favourites

I already have the two and three weight micro thin lines, they cast really well and present very delicately. I find them particularly good in conditions you might normally use a line several weights heavier.

Gregory Smith (Colne, GB)
SC Micro Thin Dry Fly Line

Impressed with the quick delivery, however, I have a question. My Sunray Stuart Crofts #3 fly line (bought in 2020), has the thin exposed core loop (white colour) at the front end of the line. My new #4 line has it at the rear end with the thicker welded loop on the front – has there been a design change?