Spacer size for rear spoiler

I have a 1970 cougar eliminator and I’m wondering if anyone knows the dimensions of the 4 spacers that keep the trunk from collapsing when the rear spoiler is installed and tightened thanks Dan

This is from my reference files. If I’m reading the micrometer correctly, it appears to show 1.055"

Your build date might determine your spacer requirements,

As usual all good info thanks