Winkhaus genuine gearbox with a lift lever function and available with either a 35mm, 45mm, or 55mm backset.
Also known as S.E.A
This is a riveted case rather than the earlier screwed on model.
Winkhaus cases are held on by pin rivets which are on the side of the case(1 top 1 bottom) - to remove simply knock the pins out with a punch, the originals can usually be re-used however we do sell replacement pin rivets should you require our part number is 2241553
Operation: Lift lever
Latch reversal: Push in latch and a screw will appear in the back of the lockcase. Undo the screw to remove the latch. Reverse, reinsert and replace the screw.
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