ABT Gibbons copy gearbox with a double spindle and deadlocking snib above the latch is commonly used on aluminium doors

Brackets for the extension pieces are threaded

A version for UPVC without a snib is available

Latch Reversal: Push in the latch, undo screw inside of lock case (adjacent to the latch) to remove the latch. reverse and reinsert.

Specifications

• Faceplate: 220mm x 22mm
• Case Height: 146mm
• Case Width: Backset + 18mm
• Centres: 87mm/48mm
• Backset: 32mm
• Spindle: Double 8mm
• Packaging: Supplied in singles