Allows mounting your flight controller board at a different angle than your power board or frame mounting holes.
3mm Holes at 45mm and 35mm to fit KK Multirotor, Multiwii (most) MultiWii Nano boards. Should fit any board with 45mm or 35mm hole to hole mounting size.
Note: Will not fit OpenPilot CopterControlor CC3D boards (32.5mm mounting hole to hole). See the other version in my shop for CC compatible board.