The Threaded/Solder-On Ball Link is Used with Pushrods or Wires. INCLUDES: One Threaded/Solder-On Coupler (brass) One Hex nut One Threaded Ball Stud (metal) One Ball Socket (White nylon) REQUIRES: The socket has a hex shaped shank for easy gripping and nylon construction to lock the coupler threads in place. It needs to be used with a 1/16" rod. COMMENTS: The customer will need soldering flux, solder, and a soldering gun. Picture shows that the package should include a zinc washer/it is not included. 4/21/94sk ir/jl