Henderson Ultra 150 Mk1 garage door spring – the original Henderson range of Ultra springs are obsolete.
This spring is supplied with an adjuster bolt.
If you require the adjuster bolt with hexagonal nut end, please select this by clicking the tick box when adding the spring to your basket.
Wire Diameter 6.5mm
Number of Coils 85
Overall Diameter 50mm
Length Excluding Hooks 521mm.
When replacing garage springs, it is recommended to replace both springs at the same time, to ensure the spring tension and door remain balanced.
