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ZD72B(M) - 18" is available as anode only or bolt-on anode
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Use backing sheet as for ZD72B model.
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Use fixing stud M16B for wood, GRP and ferrocrete hulls.
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Zinc alloy to US Mill spec 18001J with mild steel core.
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Size: 450mm (17 3/4") x 100mm (3 3/4") x 38mm (1 1/2").
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Weight: 6.5kgs nominal weight.
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Hole centres: 229mm (9")
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