by Patrick McCombe
Gravity doesn't change much day to day, and unlike a level, a string can always reach far enough, no matter how tall the wall. The only drawback is dealing with a tangled ball of string, but with its retractable reel, the Plumb-Rite makes the old-school, versatile plumb bob easier than ever to use. The weight-adjustable reel includes an attached...
to read the full article.