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Square Wire Balustrade Posts

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Posts & Wire Balustrade

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  • residential decks
  • alfresco areas
  • stairs
  • commercial projects
  • boardwalks
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Square wire balustrade posts deliver a clean, architectural finish for decks, balconies, and staircases. All posts are 316 marine-grade stainless steel or powdercoated aluminium, pre-drilled to suit your wire fittings, and available in satin, mirror polish, or black.

Browse by range above to find the right style for your project. For larger orders request a quote, or visit our Moorabbin showroom to see the range in person.

Wire Balustrade Post Guides & FAQs

Building a new Wire Balustrade with Posts? Check out our guides and Frequently Asked Questions (FAQs) that cover styling, use cases, product range comparisons and client examples.
Decide Between Wire Balustrade Styles
Decide Between Wire Balustrade Styles
Compare Wire Balustrade Solutions
Compare Wire Balustrade Solutions
Understand Wire Balustrade Standards
Understand Wire Balustrade Standards
Learn to Clean & Protect Stainless Wire Balustrade
Learn to Clean & Protect Stainless Wire Balustrade
See Customer Projects
See Customer Projects
Get Inspired
Get Inspired
Learn Everything About Wire Balustrade
Learn Everything About Wire Balustrade
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  1. 316 Stainless

    Stainless Square End Post 2 Stainless Square End Post 2
    Post Square 2" x 3mm End suits Flat Handrail Satin Finish Stainless 316
    $250.82
    Request Quote

  2. 316 Stainless

    Stainless Square Corner Post 2 Stainless Square Corner Post 2
    Post Square 2" x 3mm Corner suits Flat Handrail Satin Finish Stainless 316
    $263.73
    Request Quote

  3. 316 Stainless

    Stainless Square Intermediate Post 2 Stainless Square Intermediate Post 2
    Post Square 2" x 1.6mm Intermediate suits Flat Handrail Satin Finish Stainless 316
    $207.23
    Request Quote

  4. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 1.6mm Intermediate suits Flat Handrail Mirror Polish Stainless 316
    $237.90
    Request Quote

  5. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 1.6mm Intermediate Angled suits Flat Handrail Mirror Polish Stainless 316
    $237.90
    Request Quote

  6. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 3mm End Angled suits Flat Handrail Satin Finish Stainless 316
    $250.82
    Request Quote

  7. 316 Stainless

    Stainless Square End Post 2 Stainless Square End Post 2
    Post Square 2" x 1.6mm End suits Flat Handrail Satin Finish Stainless 316
    $191.38
    Request Quote

  8. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 1.6mm Corner suits Flat Handrail Mirror Polish Stainless 316
    $234.97
    Request Quote

  9. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 3mm End Angled suits Flat Handrail Mirror Polish Stainless 316
    $302.09
    Request Quote

  10. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 3mm Intermediate suits Flat Handrail Mirror Polish Stainless 316
    $302.09
    Request Quote

  11. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 1.6mm Intermediate Angled suits Flat Handrail Satin Finish Stainless 316
    $207.23
    Request Quote

  12. 316 Stainless

    Stainless Square Corner Post 2 Stainless Square Corner Post 2
    Post Square 2" x 1.6mm Corner suits Flat Handrail Satin Finish Stainless 316
    $204.32
    Request Quote

  13. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 1.6mm End suits Flat Handrail Mirror Polish Stainless 316
    $222.06
    Request Quote

  14. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 1.6mm End Angled suits Flat Handrail Mirror Polish Stainless 316
    $222.06
    Request Quote

  15. 316 Stainless

    Stainless Square Intermediate Post 2 Stainless Square Intermediate Post 2
    Post Square 2" x 3mm Intermediate suits Flat Handrail Satin Finish Stainless 316
    $264.50
    Request Quote

  16. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 1.6mm End Angled suits Flat Handrail Satin Finish Stainless 316
    $191.38
    Request Quote

  17. 316 Stainless

    Post Square 2 Post Square 2
    Post Square 2" x 3mm End suits Flat Handrail Mirror Polish Stainless 316
    $302.09
    Request Quote

  18. 316 Stainless

    Stainless Square Corner Post 2 Stainless Square Corner Post 2
    Post Square 2" x 3mm Corner suits Flat Handrail Mirror Polish Stainless 316
    $315.03
    Request Quote
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Why choose square posts over round posts?

Square posts deliver a clean, architectural finish — sharp lines and flat faces that suit contemporary builds, modern decks, and new-build homes. They offer a more angular, design-forward look than round posts. The choice is largely aesthetic — both perform the same structural function in a wire balustrade system. See how to choose wire balustrade posts for a full comparison.

What's the difference between the square post ranges?

There are five ranges to choose from depending on your finish, budget, and project requirements:

Read the full posts buying guide for a detailed breakdown.

What sizes are available in the square post range?

The majority of posts in this range are 50mm (2") square, which is the standard size for wire balustrade installations. A smaller 25mm (1") option is also available for lighter-duty or decorative applications. Standard posts are 960mm in height. Premium Customisable posts are custom made to order.

Do the posts come pre-drilled for wire fittings?

Most posts in this range come pre-drilled at 80mm spacing for wire fittings, in either right-hand thread (RHT) or left-hand thread (LHT) configuration to suit your tensioners. Stair posts are always custom-made (there are no off-the-shelf wire balustrade stair posts).

Is black powdercoated stainless available, or only aluminium?

Both. The range includes black powdercoated 316 stainless steel posts as well as powdercoated aluminium. For coastal or salt-air environments, the powdercoated aluminium is the right choice — black powdercoated stainless is not recommended for corrosive locations.

Do you stock stair railing posts for angled runs?

Square wire balustrade stair posts are always custom-made — there are no off-the-shelf stair posts in this range. Request a quote with your stair angle and we'll configure the right posts for your project.

What handrail suits square wire balustrade posts?

Square posts in this range are primarily available for flat (top rail) handrail. Timber handrail is a popular choice for residential decks where a warmer finish is preferred alongside the clean lines of square posts. Check the individual product before ordering to confirm handrail compatibility. For help choosing, read our wire balustrade posts buying guide or get in touch.

Currently, only the Modern Square range supports round handrail.

How do I care for stainless steel balustrade posts?

316 stainless steel is highly corrosion resistant but still benefits from regular maintenance, particularly in coastal environments. Read our guide to cleaning and protecting stainless steel wire balustrade for step-by-step advice.

Want to see square posts in a finished project?

Browse our project showcase for real customer installations, or explore the posts and handrail blog for inspiration and advice.

Where do I start with a complete wire balustrade system?

Posts are the best starting point — once you've selected your posts, take a look at the post's product page to browse our matching wire, kits, handrail and installation tools. Not sure where you're up to yet? The wire balustrade overview covers wire balustrading solutions from start to finish.