Shouldn't have believed the hype:
What's your go-to these days?
jack vines
This Shakespeare the most expensive trimmer line I've ever bought and probably the worst for durability. It wears down every three feet, if it doesn't break off first.Ballistic® Trimmer Line by Shakespeare - scientifically engineered to be more durable and last longer than residential trimmer line. Impact modifiers are embedded within the nylon to keep your line from breaking away when trimming against obstacles.
What's your go-to these days?
jack vines