Tail Boom Mount block OSHM2337 Sale! from 666 /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 boom mount block for the OMP Hobby M2 EVO helicopters. Qty available:40 SKU:OSHM2337