Winkhaus genuine gearbox with a split spindle function and available with either a 35mm, 45mm or 55mm backset.

Operation: Lift Lever or Split spindle

Latch reversal: Push in latch and a screw will appear in back of lockcase. Undo the screw to remove the latch. Reverse, reinsert and replace screw.

Nightlatch reversal: The small rectangular slot adjacent to side of the spindle hole contains a black roll pin. Insert a flat bladed screwdriver and push the pin to opposite side to reverse function.

Specifications

• Height: 185mm 
• Width: Backset + 15mm.
• Centres: 92mm.
• Spindle: Split 8mm.
• Packaging: Supplied in singles