TBF-1.2 BASE FLANGE, 1-1/2", 2-HOLE (set screws & mylar pad incl'd) – Thompson Fabricating LLC
Base Flange - IS & G Steel Stockholders LTD
1-1/2" Railing Base Flange
CRL PRS2CS Stainless Base Flange for 2" Outside Diameter Square Pipe Rail
42 Round Base Flange 3/4" – Mutual Hardware
Amazon.com: Structural Fitting, 1-1/2" Round Base Flange, 31F-8, Aluminum Magnesium, Please note. ID of fitting is 1.925, to take nominal 1-1/2" steel pipe which all have an OD of 1.9". : Industrial
BTD-200 Mounting Pole, Flange base - Biral
Base Flange, 1 1/4 in For Pipe Size, Structural Pipe Fitting - 4NXU4|4NXU4 - Grainger