OMPHOBBY M4 Helicopter Servo Mount(Silvery)OSHM4003S Sale! from 1833 /per Qty. Sold Out This is a replacement servo mount for the OMPHOBBY M4 Helicopters Contents Servo Mount *1BearingΦ8xΦ14x4 *2 Qty available:0 SKU:OSHM4003S