Ellenbogenorthese-LQ RC Replacement Parts Pla 20Mm to 30.5Mm Mounting Hole Conversion Board Black for Rc Multirotor FPV Racing Drone September 8, 2021 by admin Price: $13.55(as of May 23,2022 07:30:04 UTC – Details) ☆Color: black☆Item name: mounting hole conversion board☆1* mounting hole conversion board☆Mounting hole: 20mm convert to 30.5mm☆Material: PLA, 3D printing tech