Precision Angle Gauge, 4-1/2 Inch Dia.
Measures in 1 Degree Increments
A hard-to-find, patented tool for measuring grades and keeping them consistent on model railroad layouts. Also used for construction projects that must be precisely level. The damped pendulum and easy reading dial with hairline markings make this tool much more accurate than bubble type levels. Well made of tough, high impact plastic. 4-1/8 inch diameter with magnetic base.