Casey from SWISCO responded:
December 14, 2010
I am not familiar with a 7/16" gear bore. Are there any brand names or markings on the operator? Check the operator arm.
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Casey from SWISCO responded:
December 14, 2010
The Caradco operators that I am familiar with use an 11/32" spline. Take a look at SWISCO product code 39-205 for a folding handle with an 11/32" gear bore.
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