Specify left or right handling for Madrid 4305LN, 4308LN, 4328LN, and 4355LN in reference to your selection of  "Step 1: Select Cylinder/Core"

Functions 4035LN, 4308LN, 4307LN are furnished as right hand.  They can be changed to left hand by reversing inside and outside levers.

See How to Determine Right & Left Hand Doors.