I've got some in .105. With my trimmers I prefer Black Diamond .105 because the BD slices better on my zoysia lawn. For super heavy stuff I prefer square line. There is a place for me and the cf3 pro, and that is the go between the zoysia and the heavy stuff. CF3 Pro is a good well-rounded string. It's tough, but still easy to use in s wide variety of situations. I wish Echo Black Diamond came in a .115 size.