OMPHOBBY M4 Helicopter Tail Linkage Guide OSHM4038 Sale! from 243 /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 pully flange set for the OMPHOBBY M4 Helicopters Contents Tail Linkage Guide-1Socket cap screw M2x8-1 Qty available:3 SKU:OSHM4038