The 18th C. Brass Lid Lodestone Compass number CO006 by Authentic Models is a part of the Compasses Collection and measures 0.8H x 3.1 inches in diameter and weights 0.3 lbs. and is packaged in gift box, upc. 18th C. compass with brass lid protects the glass cover. This is after all an early travelers compass. Lodestones were used by seafarers to keep magnets in good shape. Can you think of a better gift for a world traveler or antique lover?