This British Standard TSS mortice sash lock has been designed with the same dimensions as the Union 3K74E mortice sashlock and can be used as a retrofit product.
These BS3621 mortice sash locks meet ...
Apeer gearboxes are available in 35mm or 45mm backset with a single spindle mechanism.
Single spindles are sprung and can only be used as a lift lever function.
Apeer gearboxes measure 228mm high by b...
This Swiftframe gearbox features a double spindle with 92/70mm centres. Fixing points are not threaded and will require the use of self-tapping screws. (Part Number: M430CSK)
Swiftframe gearboxes are...