Black Oak Pro Series 3.0 Curved Double Row 20" LED Light Bar - Combo Optics - Black Housing [20CC-D5OS]Pro Series 3. 0 Curved Double Row 20" LED Light Bar Combo Optics Black Housing Afraid of hitting moose? Well, users should be. Weighing up to 1,000 pounds and standing 6+ feet tall, users probably won't take that fight and live to talk about it. It's no wonder why the Double Row Series 20 inch Curved LED Light Bar is so popular with Black Oak's Alaskan and Canadian customers. The curved pattern spreads light beyond where even the brightest high beams