Fowler Mini-Mag Protractor Features include... Embedded magnets with a 3.5 lb pull Uses a standard 9v battery (250 hrs) Measuring Range: 360° (4 x 90°) Display inverts Resolution: .05° Accuracy: + .2° Repeatability: 0.05° Hold Feature The new Mini-Mag Protractor provides instant 360° digital inclination display of any angle with the additional unique feature of embedded magnets on both sides and the bottom, which makes it ideal for a variety of measurements.
