REAR WING UPRIGHT ASSEMBLY FOR INTERNAL SLIDER WINGBrief Description Rear Wing Upright Assembly for Internal Slider Wing for 600 Micro Lighting Sprint Details Designed for wings that have a 25" spread between tabs and for frames that are 24 3 4" between the inside of the tabs, or 23 5 8" on the outside of the tabs. Uses 5 16" bolts at top and bottom. The "H" section (upright) is made from 4130 chromoly, powder coated black and the sliding posts are made from aluminum, anodized black. Includes upright,