ok those are the retracks that did'not work well for me i bot the same set ... and my front retrack i found mine would not lock up right after in-stall[:@][:@][:-][:-] so i am geting it replaced and as far as the rear retracks those robarts are i think weak..[X(] so for same price i bot the great planes and those are working well so i re-did my retracks and now have great planes retracks .10 size and the wire is fater.. photos rear retracks, tuch-up-paint-soon,,,[:-]