Please Note: Winkhaus gearboxes are rivetted onto the locking strip. To attach this gearbox you will first need to drill your old Winkhaus off the locking strip. You can then attach the replacement one using a rivet gun and new rivets (supplied separately).
Suitable replacement for Winkhaus locks only
Most important measurements are 35/45/ 55mm Backset and 92mm PZ
Split spindle for lever lever and lever pad operations
This is the mechanism inside the door that is operated by the handle
Most likely to the problem when a lock fails
More cost effective than replacing the whole multi point lock
Non-handed (Fits left and right handed doors)
Centre case can be re-attached to the old locking strip
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