There are certain tools I use for low voltage wiring (telephones, doorbells, intercoms, speakers, and basic home networking). I keep them together in a single bag.
Curved walls and arch-topped openings are possible with standard blocks.
The best 1 9/16-inch models are fast and compact, and sport sturdy side handles.
Pacific Laser Systems PLS2; Ridgid cordless jigsaw; Tajima chalk and ink lines; chain saws and accessories; drywall tools