80/20 Inc., 9705, 1.5" x 1.5" RT Square Tube with Flange x 72": Amazon.com: Industrial & Scientific
Amazon.com: Structural Fitting, 1-1/2" Square Base Flange, 33F-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
Narrow Flange For 1" Square Tubing - Trade Diversified
Amazon.com: Stainless Steel 316 Grade Oblong Base Flange for 1-5/8" (42 mm) OD Tube Post : Industrial & Scientific
Flanged Pipe – U.S. Pipe
Stainless Steel 316 Grade Floor or Wall Base Flange for 1-1/2" x 1-1/2" Post - Amazon.com
Stainless Steel Square Base Flange Sleeve – Inline Design
Pipe Flange Base for 1-1/2" Speed-Rail® – Modern Studio Equipment.
Pipe Fittings Direct. 12 inch Class 150 spaced Weld on Slip on Tube Plate Flange - 1/2 inch thick 304 stainless steel
Amazon.com: Structural Pipe Fitting, 1-1/2" Heavy Duty Square Base Flange, 34F-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
Stainless Steel Flange for Square Tube - Flange Cover
CRL Stainless Base Flange for 2″ Outside Diameter Square Pipe Rail - Lunaapro
Anchor Flange
Square Wall Flange
Steel Flanges for Square Tubing
Floor Flange for Square Tube in Satin Stainless Steel 316 for Tubing Size 2"x2" (0.12" Wall) - 49-593/2 - Architectural Railings - Flanges
SteelTek 1-1/4-in Structural Galvanized Floor Flange in the Structural Pipe & Fittings department at Lowes.com
CRL PRS2CS Stainless Base Flange for 2" Outside Diameter Square Pipe Rail
Flange Base for 1" Square Tube – Modern Studio Equipment.
Stainless Steel Round Long Neck Floor Flange Base, Round Tube Post Anchor, Top Hand Rail Wall Mount for Cable Railing Deck, 316 Marine Grade (Intermediate Posts) - Power And Hand Tools - Amazon.com