Originally Posted by Retread
I used a reciprocating saw on the drum head, made quick work of it. Vent hole I used a hole saw, next time I'll use step bits. The hole using the hole saw was ragged at best..... china freight has the step bit set that drills to 1 3/8" for $15
Thanks boys. Weber lid fits perfect on outside so will try reciprocating saw on inside lip.
Still holding out for a potential OpenTopper from same source I got the Closed Topper.