Fitting placed on a counterweight fly system's purchase line to insure an exact and repeatable trim height.
Photo from Mutual Hardware.
Prevents the purchase line from moving downward beyond a specific trim, but not upwards. Thus used to mark the playing trim of the piece or goods, but not the "out" trim.
Photo from Mutual Hardware.
Prevents the purchase line from moving downward beyond a specific trim, but not upwards. Thus used to mark the playing trim of the piece or goods, but not the "out" trim.
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