Schlegel BHD inline patio door lock kit with spacers, strike and screws to convert for various backsets
Cylinder Type: Euro profile
Backset: 23/32 inch (18.5mm) 0.728 (comes with a selection of spacers for 22.5mm, 25mm and 27mm)
Spindle Hub: 1/4 inch (7mm)
Locking Device: 2 mushroom pins ( some doors also used vertical locking rods )
Handle to Cylinder PZ: 40mm centres
Spacers are used to convert the basic 18.5mm backset mortise lock to
7/8 inch (22.5mm) 0.885"
1 inch (25mm) 0.984"
1-1/16 inch (27mm) 1.062"