Square Post Extender – 50x50 & 65x65 SHS Easily increase the height of your existing fence posts with our Square Post Extender, available in two sizes to suit 50x50mm and 65x65mm SHS posts. Designed for a secure fit and easy installation, this extender is ideal for adding extra height without the need to replace full posts. Features:
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Seems good, havent used them yet but they look good and arrived very quickly.
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peter · July 25, 2026
Great item to extend 50x50mm posts
Firm and easy way to fix the issue
Only thing I see that needs altering is the small lugs at top and bottom of the post extender need to be opposites to each other because when the extender gets pushed into the posts it twists the post