EXR JKU Thumb Bolts (sold as a pair) are a replacement for EXR Rear Crossbar for Jeep JKU models. These bolts come with the Rear Crossbar when purchased, but in the event they are misplaced or lost then can be purchased seperately. Fits parts: (8-00-9603-BK, 8-00-9703-BK or RD, 8-00-9604-BK, and 8-00-9704-BK or RD)