50x50 Tube Post Extender Insert
Square Post Extender – 50x50 SHS – 1.6 & 2 mm Thickness (Improved Design) - 380mm Long
Easily add extra height to your 50x50 mm square hollow section (SHS) fence posts, balustrades or signposts without cutting, welding or compromising strength. Our upgraded Square Post Extender features thicker steel options and precision dimples for perfect post alignment every time.
Key Features & Benefits
- Designed specifically for 50x50 mm SHS posts
- Two heavy-duty steel thicknesses: 1.6 mm (Tight fit) and 2 mm (VERY Tight Fit)
- Improved dimple pattern for flawless vertical alignment and zero wobble
- Galvanised finish for superior corrosion resistance and outdoor durability
- No-weld installation—save labour and eliminate hot works on site
- Ideal for fence height extensions, decking posts, handrails, pergolas and signage
Specifications
| Feature | Details |
|---|
| Material | Galvanized mild steel |
| Thickness Options | 1.6 mm; 2 mm (VERY Tight) |
| Fits Post Size | 50 × 50 mm SHS |
| Alignment | Extra precision dimples for perfect plumb |
| Finish | Hot Dipped galvanized for long-term protection |
Installation Notes
- No welding or special tools needed—secure with self-tapping screws or weld studs after fitting.
- Perfect for DIY fence upgrades, compliance height adjustments and commercial projects.
