Each TR-6 Rear Wings Fitting Kit contains:
  38     Acme Screws with captive washers
  38     Speedclips (spire nuts)
    6     Hex Set Screws (wings to "B" posts)
    6     Spring Washers
    6     Flat Washers (¾” o/d)
For improved corrosion resistance the Acme screws and their washers are Bright Zinc Plated, the speedclips have a passivate finish, and the Hex Set Screws and associated washers are of Zinc Plated Steel.