This is a solid brass reproduction of a large antique pocket compass. The antique patina compass looks just like a 100-year-old antique. The antique finish requires no maintenance and can be handled without fingerprints discoloring the brass. the compass that operates a needle lift mechanism to protect the compass bearing while in transit. The compass rose is graduated in degrees and has a standard surveyor’s 0 to 90 degree scale from North and South.