OMPHOBBY M4 Helicopter Tail Rotor Shaft OSHM4043 Sale! from 397 /per Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. This is a replacement tail rotor shaft for the OMPHOBBY M4 Helicopters Contents Tail Rotor Shaft Φ5*58mm-1 Qty available:2 SKU:OSHM4043