✔️ SEXTANT : This astrolable sextant can be used to measure the angle between any two visible objects. It's primary use is to determine the angle between a celestial object and the horizon which is known as the altitude. This doubly reflecting navigation instrument is made of pure brass with antique finish & a protective wooden case. INCLUDES TWO ADDITIONAL SIGHTING TELESCOPES. SAILING TOOL. ✔️ SIZE & SPECIFICATION: Size of Sextant : 4.25 x 4.75 x 2.75 Inches, 10.8 x 12 x 7 cm Approx. Wooden Box Dimension: 15 X 15 X 8 cm. Material : Brass, Glass & Wood - Finish : Antique - Weight With Box : 1 kg Approx. ✔️ USE : This working sextant instrument is a memorable navy gift for birthdays, anniversaries, valentine's day & corporate functions. A great gift for maritime, nautical, hiking & outdoor enthusiast. ✔️ Perfect For Any Nautical Collection & Best Gift For Your Family And Friends. ✔️ Sold by exclusive A S Handicrafts.