Henderson Ultra 150 Mk1 Garage Door Spring

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.