Henderson

Spring Adjuster Bolt to suit Henderson Ultra 150 Mk1 garage door springThreaded bolt with a hexagonal head, which screws onto the bracket on the end of the springLength approx 300mm3/8" Head..

Spring Adjuster Bolt to suit Henderson Ultra 150 Mk2 garage door springThreaded bolt with a hook head, which screws onto the bracket on the end of the springLength approx 198mmDiameter 8.35mmHook End..

Spring Adjuster Bolt to suit Henderson Ultra 210 Mk2 garage door springThreaded bolt with a hexagonal head, which screws onto the bracket on the end of the springLength approx 300mm3/8" Head..

Spring Adjuster Bolt to suit Henderson Ultra 225 Mk2 garage door springThreaded bolt with a hook head, which screws onto the bracket on the end of the springLength approx 320mmLength of thread approx 210mmDiameter 11.15mmHook End..