These internal only Tilt and Slide patio door handles are designed for doors with a handle on the inside only.
Distance between centres of screw holes: 43mm
Length of backplate: 69mm
Width of backplate: 32mm
Spindle length: 40mm
Width of spindle: 7mm
These handles are sold individually; the price is for one handle. One key is supplied per handle as standard, additional keys can be purchased.