Black Oak Pro Series 3.0 Double Row 30" LED Light Bar - Combo Optics - Black Housing [30C-D5OS]Pro Series 3. 0 Double Row 30" LED Light Bar Combo Optics Black Housing The 30'' Double Row Series is for users who want a painfully bright LED bar that won't break the bank. This light is perfect for mounting on a lower bumper, behind the grill, or across the top of an ATV and can throw a beam that will illuminate a whole air strip. Don't underestimate it's size. At almost a meter long, Black Oak's 30" LED light bar has two rows of blindingly bright