Brand name can be a personal choice but if you really want an all round device get one that has ac / dc capability , ohms with a signal for checking continuity and a clamp on amp feature. other you will have to buy separate meters.
Bare block will **** up the paint so some type of painting for bare block as a primer.When I painted the inside of my garage I had some left over from when I painted the outside of the house so that's what I used,a very pale yellow but it took several coats just to seal the block,fortunately I...