Magnetic Compass 100mm / 4 inch (Pack of 2) neubauer chamber calculation Its easy-to-read display

Its easy-to-read display

5 volt type LR44 or equivalent

combined socket with earth connection

or airflow

Magnetic Compass 100mm / 4 inch (Pack of 2) neubauer chamber calculation Its easy-to-read displaymagnetic compass online Brand: LABPRO Features: Diameter: 4 Inch 100mm Aluminium body Transparent Glass Jumbo sized Pack of 2 Azimuth ring with 2 degree resolution Best Quality, Best Price, Fast Delivery, Free Shipping Part Number: KTN191 Details: Magnetic Compass with 4 Inch Diameter is ideal for camping, hiking, boating, hunting, fishing, emergency survival kits, and more. The diameter is 4" and it is large sized. It features an azimuth ring. we are