Combination of precision and durability. The accurate steel needle rotates on precision pivots. The liquid filled chamber stabilizes the needle quickly for fast readings and also cushions against impacts. The compass and the scale has luminous points. The compass is mounted on a clear strong plastic base. Base includes centimeters, inches, 1:50000, 1:25000, and m scales. The base Compass has a declination correction scale. The base also has an in-built 1 Inch (25mm) 4x magnifier, and 4 stencils for drawing 3 circles and 1 triangle. Comes with a lanyard.