This 5-piece set will attach your 1/16" pushrod wire to almost any servo arm, bellcrank, control horn or throttle rod. * Includes: 1- ball with 2-56 thread 1- threaded brass coupler (3/4" long with 3/8" 2-56 thread for up to 1/16" diameter pushrod wire) 1- self-threading nylon socket (ball cup) 1- nut and 1- washer * Requires: 1/16" pushrod wire solder to connect coupler to pushrod