One of the bolts for the cam cleat will use existing mounting hole, you'll have to drill the second hole.View attachment 66083View attachment 66084
This is how my Beast Mini is set up. Harken 150 cam cleat from EWO ( comes with bolts and nylocks). Single step aider for me. I was looking for appropriate grommets for where the aider goes thru the stick when Boynebowhunter walked up with a couple of fresh turned bushings. I really like the aider opening at 90 degrees to the tree. This is wonderful with a single step aider, less so with a multi-step