Avantis Replacement 45mm Backset uPVC Door Lock Centre Case Gear Box
Avantis genuine gearbox locks with a 45mm backset. Backset: 45mm(face of lock back to the centre of the keyhole). Case Width:Backset + 15mm. Latch reversal: Undo the screw in the latch to remove. Reverse, reinsert and replace screw.