This is the 8x1.0mm Double Jam Nut Adapter Kit from Tru-Turn.

FEATURES: Steel construction.
          The screw is tapped 10-32 for cone screw.
          Used to mount Tru-Turn aluminum spinners onto the following engines:
            YS .90, 1.20, 1.40 4-Stroke Engines

INCLUDES: One Adapter Nut
          One Adapter Jam Nut
          One Propeller Washer
          One Aluminum Bushing

REQUIRES: 1/2" End Wrench To Tighten
          Tru Turn Aluminum Spinner

SPECS:    Crankshaft Thread Size: 8 x 1.0mm
          Spinner Mounting Bolt Thread Size: 10-32
          Bushing Size: Inner: 8mm   Outer: 3/8"

COMMENTS: Will Not Fit Smaller Than 2-1/2", Too Small.
                                                                    JAL 5/19/99
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