This is the 4" shank that is used in our 16257, but without the tailpiece and hex nut. Choose the size and style of tailpiece that you prefer. Be sure to add a hex nut (16384) and gasket (16386) to use with your chosen tailpiece.
Dimensions:
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4-1/8" - Shank Length
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3" - Thread Length
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2-3/4" - Pass Through Length