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Alexander Roberts Stem Ball Cups

Alexander Roberts Stem Ball Cups | Blackburn Marine Sailboat & Rigging Hardware

Part # Hole Dia: Cup Dia:
AR CW5 7/16" 11/16"
AR CW6 17/32" 1-1/32"
AR CW7/8/9 21/32"  1-1/32" 
AR CW10/12 25/32"  1-11/32" 

Alexander Roberts Stem Ball cups

These fittings match the Alexander-Roberts stainless steel Stem Balls, which are designed for machine swaging.

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