stringa-level

This 13" long section has four living hinges that conform to curves, inside and outside corners.

A level vial set in each end makes it easy to maintain level around corners.
This section can be attached to another Flexible Section, or a Rigid Section, and has five slots for attaching to the wall.
Molded of yellow plastic and is 13-15/16" long x 1-1/4" wide x 2" high.