As I understand it, Amsteel Blue is still the go-to for whoopie slings (and is for me). In terms of size I seem to find more 7/64th users (and retailers of whoopie slings rend to only have this width). At 1600 pounds breaking strength (less when whoopified) it has a good deal of holding power!
The key to immortality is first living a life worth remembering. - St. Augustine
Some people feel the rain. Others just get wet.
- Bob Marley