These replacement PCB standoff clips, clip into the cross-brace and support the power supply board.
This sale is for 6 PCB mounting clips which are genuine parts from the same source as those used by Linn.
The Valhalla and Hercules require 6 supports and the Lingo and Armageddon only require 5 supports.
Perfect replacements if your original mounts are old brittle, broken, or lost. You may require them if updating an old-style (Basik power supply) cross brace to take a Valhalla, Hercules, Lingo, Armageddon, etc.