Du-Bro Aileron Horn Wire Ball LinkChange old strip aileron connectors to ball link control. Fitting also useful as dual take off connectors. 8-piece set includes: 2 horn wire ball links for 3/32" dia. wire, 2 self-threading nylon sockets, 2 threaded couplers 3/4" long with 3/8" 2-56 thread for up to .072 wire and two 4-40 screws. 2/pkg.