Price shown is for one spring only
 
Henderson pattern MK1 Ultra 150 spring to suit older garage doors fitted with Henderson Ultra gear, found mainly on custom built doors.
 
Details: The number of coils is 82 with a length over coils of 20 1/2 inches and a diameter of 1 7/8 inches.
 
Tip: The spring needed can be identified by their size or the adjuster bolt which has a hexagonal head or hook.