This accurate protractor has an extremely sensitive, balanced needle which gives immediate reading of angles for 360 degree radius. The V base exerts a powerful magnetic pull to most any shape/form. The V base is precision milled and the center pin will show the middle point.
Guaranteed Calibration – ± 1/2° for One Full Year
Dial Face – 2″
Height – 5 1/4″
Width – 5″
Depth – 1″
with steel case
Protractor set in cast aluminum housing