●Size: 13.8 inches (35 cm), Thickness: 0.1 inch ●Cross section: Normal (no chamfering or edging) ●Material: Acrylic resin ●Made in Japan ●Item Number: 014-0055
Description
A triangular ruler used for nautical charts such as altitude scale, distance scale, altitude scale, eye height differential scale, etc. Use it to take a first-class small ship pilot license. Application instructions included.