OMPHOBBY M4 Helicopter Canopy - Racing Yellow OSHM4061Y Sale! from 5112 /per Qty. Add to Cart This is a replacement canopy for the OMPHOBBY M4 Helicopters Contents Canopy-1Canopy Rubber Grommet Φ4*Φ12*thickness 5.5-2 Qty available:1 SKU:OSHM4061Y