Description
Locking knob enables the two rulers to be fixed in any given separation which allows rapid determination of GPS position. Has graduations and can be used as a protractor to determine compass bearing and a millimeter metric scale across bottom.
Individual Size
- Length: 9 (Inch)
- Width: 5 (Inch)
- Height: 5 (Inch)
- Weight: 3 (Pound)
- Size: 7″
