Plastic compass for fishing boat with wooden box

Specifications:

Imported magnetic materials, high stability and long working life

1. size :35 x 35 x 34mm

2. Material: plastic ABS 
3. Color: black

Special automatic fluid-refilling and bubble- removing unit;

Equpped with all different kinds of self-adjusting units,adjustment is easy and convenient.

Readings are clear and pointer is stable with high senitivity and good tolerance

Equipped with light for night navigation