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Yale Window Espag Gear Box Locking Mechanism Shootbolt uPVC Windows 22mm


Yale Lockmaster Replacement Window Gear Box

This window gearbox will serve as a suitable replacement for both Yale and Lockmaster types.


  • Backset - 22mm
  • No additional cams
  • Overall length - 190mm
  • Distance between screws - 43mm
For further technical information, please refer to the technical diagram in the image gallery.

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  1. good quality replacement. 5

    Posted by Unknown on 25th Sep 2018

    Better quality & a tidier look when fitted than the maco brand it replaced.
    Had to drill fresh holes in the frame for retaining holes but overall pretty simple to fit.