X-11Y SportAbout Features: Easy to Read 2" Direct-Reading Dial. Hardened Steel Pivot and Sapphire Jewel Movement. Built-in Roller Diaphragm for Extended Temperature Operating Range. International Safety Yellow Case. Silicon Impact Resistant Case with Neck Lanyard. Compact Size for Easy Handling and Storage. QuickSight V-Notch and Lubber Line for Easy Heading Alignment. Non-Electric Chem Sticks Provide 18 Hours of Night Lighting. New Holder Ideal for Deck Mounting SportAbout Compasses on Small Boats. Holder Available in Black or White. Approx. Shipping Weight: 4 oz (113g). Replacement Parts: Light Assembly: RS-0051-4.