| Size of nut | 20.5 MM Hex Nut (Across Flat) |
| Material of Bolt | Mild Steel |
| Thread of Bolt | 1/2" BSW |
| Finish | Cold Zinc Plated (Golden Colour) |
| Standard | EN 74 Class B |
| Weight | 1.15 KG |
| Usage | To extend Scaffold Tubes internally |
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