Pocket Compass (DQY-1)

Pocket Compass (DQY-1)
Model DQY-1Precision long air level 15'+-5'/2mmprecision of circle air level 30'+-5'/2mmThe reading error <0. 5"Dial scale 1"Weight 0. 27kgSize 80¡Á70¡Á35(mm)
Pocket Compass (DQY-1) product offered by Shanghai Deruite Instruments Co., Ltd.