Amazon.com: Raised Base Plates - Weldable FSH Shoes (4 x 4 x 1 (Fits 1" Tube), 4) : Industrial & Scientific
base flange for tube, Square Line
Stainless Steel 316 Grade Square Base Cover and Plate for 1-1/2" Post
Cover Plate for 2″ Square Tube- SS316 | RINOX USA
4 PCS 2" Square Post Flange Base Heavy Duty Floor Post Flange, Heavy Cast Stainless Steel Deck Rail Systems for Fence or Deck Mount 2" x 2" Post Fitting: Amazon.com: Tools &
4 PCS 2" Square Post Flange Base Heavy Duty Floor Post Flange Stainless Steel | eBay
Source Metal Base Plate For Square Tube on m.alibaba.com
So strong square pipe tube Stainless steel support square flange Wardrobe clothes rail Square base 25mm 38mm 50mm - AliExpress