30 in. Mini Keyhole FPV Racing Air GateThese 30 in. Mini Gates are made of high strength fiberglass rods and heavy duty fabric not plastic to withstand hit after hit. A great size for micro drones (prop diameters 2 3 in.), these arches and gates give pilots about a 75% larger opening target for an easier flight path as compared to our 17. 5 in. Micro Gates. Excellent for novice micro pilots and or large micro races. Excellent also for experienced pilots with small drones. The arches and