radial bar

radius rod

1. A plastering tool; a wooden arm fixed at one end to a mold and attached at the other end to a center about which it swivels; a gig stick.
2. A long wooden arm with a marker at one end for tracing large curves.
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tall, and a 270[degrees] digital "dial" or radial bar graph that shows a user-selectable pressure range from 0 to 100%.