Plumb bob

For hanging wallpaper straight.

Features and Benefits:
•Provides an equal, straight finish to wallpapered walls.

Typical Applications:
•DIY.
•Trade.

A plumb bob, is a weight, usually with a pointed tip on the bottom, suspended from a string and used as a vertical reference line, or plumb-line. It is a precursor to the spirit level and used to establish a vertical datum.