Made with Dyneema® SK75 fiber,  EVO.40 it´s the thinner in our serving material line.  Twisted and bonded with a special resin and make the thread round as much as possible. 
Perfect where very small servings is required, like cable guard rollers, reinforcement for stoppers, loops ...
The EVO.40 serving material, have a diemeter of 0.007"  and are supplied in reels made out of hard polymer, with a length of approximately 140 meters .