Embedded magnets with 35lb. pull Measuring range: 360° (4 X 90°) Resolution: .05° Accuracy: +/- .1° Repeatability: +/- .1° The Mini-Mag Protractor provides instant 360° digital inclination display of any angle with the additional unique feature of embedded magnets on two sides which make it ideal for chasis and camshaft alignment. Voltage standard: 9 volt battery (250 hours). .
