Pair of New Garador Rollers, Spindles and Cables for Mk3c models. Your door could be marked Westland, Garador, Catnic, Mk3c. Spindle length is 96mm overall (80mm from under head of roller). Will also fit other doors such as W.E.L. (Westland Engineering Ltd) SS, 'C' and Mk3 garage doors.
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