JAE 21 carbon boom size?

[Adam Wellman]

Hello all,

I'm hoping someone could post the boom size. I'm building from plans and don't seem to see the size listed...

Thanks!

Big A

 

[Jim Mamaril]

Hello all,

I'm hoping someone could post the boom size. I'm building from plans and don't seem to see the size listed...

Thanks!

Big A

The 21's are 5/16" .3125