Maestrini Brass Equal Nipple (2" BSP Male) Hooks & Snaps The pole diameter stated are

The pole diameter stated are the maximum acceptable pole size-smaller sizes need additional sleeving

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Maestrini Brass Equal Nipple (2" BSP Male) Hooks & Snaps The pole diameter stated areMaestrini equal nipple connection made from brass. This 2" BSP hex nipple is used to connect two pieces of equal sized pipe. Please Note: All fittings used for through hull applications must be correctly electrically bonded to ensure protection from electrolytic corrosion. Brass is susceptible to dezincification and is not recommended for below waterline through hull applications. Specifications Material Brass Fitting Nipple Primary Construction Brass