Haskins and Starfleet T-Bar Garage Door LockSilver Finish
70mm Spindle with a hole in the end (Can be cut to suit your spindle length)
38mm Screw Hole Centres
8mm Square Spindle
The newer version of handles may have a slightly larger flange to the rear, so to fit you may have to increase the size of the existing hole in the garage door to about 26mm.
Haskins and Starfleet T-Bar Garage Door Lock