Zinc prop nut anode for 25mm shaft

Oct 30, 2019
80
Does anyone know where I can locate a prop nut with the zinc anode? I
have the new Beta 13.5, 25mm shaft, 16mm diameter threads x 2.0 pitch,
and with a new line cutter on my shaft I would like to locate the zinc
at the prop nut. Thanks in advance for your help.
Frank and Tena DeBaggis Vega 2141, Carpe Diem