Tying a micro baetis with Diamond Body Thread 

If you like shiny and small flies, here is an excellent model. It is delicate, you can tie it easily and sinks quickly.
Basically, it does everything you want, and what’s more, it’s durable:)
Materials:
Maruto C46WBL #18
Thread: Sumo 50DEN yellow
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Body Thread: Diamond Body Thread -A12
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Thorax: Diamond Body Thread -A19
Legs: Partridge barbs
Back: Perdigon Body Thread -A14
Coating: only for back : Perdigon thin resin