UPVC Handle Sets

On UPVC door handles, the main measurement is the centers (otherwise known as PZ) of the door handles.
UPVC Door Handle Dimensions These are the measurements used in this section:

A - Centers, also known as PZ - the distance from the middle of spindle hole to the centre of the key hole.
B - Distance between top and bottom screws.
C - Full length of the backplate
D - Distance between the centre of the key hole and the centre of the bottom screw
E - Width of the backplate