These are the Great Planes 6-32 Rigging Couplers.

FEATURES: Brass construction
          Can be used in a variety of applications including: pull-pull control
            control systems, flying wire installations, nose wheel steering
            systems
          Two holes on each coupler for thread

INCLUDES: 2 Great Planes 6-32 Thread Rigging Couplers

SPECS:    Length:  1.49" (38mm)
          Diameter: .15"  (4mm)

                                                                    tlw 6/20/07
                                                                         ir/jxs