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Amazon.com: Stainless Steel 316 Grade Oblong Base Flange for 1-7/8" (48 mm) OD Tube Post : Industrial & Scientific
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Hollaender - 1-1/2" Pipe, Base Flange, Aluminum Alloy Flange Pipe Rail Fitting - 88749239 - MSC Industrial Supply
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Rectangular Base Flange Aluminum Magnesium 1-1/2" IPS (1.94" ID) - 28170 - Industrial Railings - Flanges
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Hollaender - 1" Pipe, Base Flange, Aluminum Alloy Flange Pipe Rail Fitting - 67419135 - MSC Industrial Supply
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