SUPOW&reg; Outdoor Luminous Compass Car Compass, Waterproof And Shockproof Compass/Compass with Keychain Military Compass/Navigator Made Of Copper/Outdoor Professional Trek Guide Built-in damping oil, better stability, more suitable for sports, rugged environment. Brass shell: the average thickness of 0.2 mm, durable. Pointer with luminous design, after absorbing light, clearly visible in the night. Compass clear, well-crafted, shell imitation gold processing, highlighting the quality, can be used as gifts. With a hanging ring, can be hung on the bag, keychain, taken together, like a pocket watch after, exquisite beauty, as a gift.