I also pick from a piece because it sold for installation.
And do not expect to be helped by the assembly instructions: it is in German and assembly drawings are of the gu ... foutage e. Incomprehensible!
Drilling the holes are not properly adjusted, I think my hammock HS will by next summer.
And do not expect you to put two adults, or the hammock touches the ground.
In short, prefer to buy one a tad more expensive in large specialized surface (Leroy Merlin, Truffaut, etc.) you will gain in life.