Danforth Saturn compasses are designed for cruising, commercial, and small boats. Compasses feature an adjustable hood, No-Spin global balance, and night illumination for night time use. Graduated in 5 degree intervals, and shaped to provide the best magnification and clarity, each Saturn compass is equipped with recessed compensators to prevent accidental movement once the compass has been compensated for deviation. Can be mounted on vertical surfaces and surfaces canted up to 15 degrees forward.