Spacers for Polyplastic/Lippert windows. Round spacer changes the alignment of the 'stay' to more vertical position. Must use a longer, flathead, torx screw with 9.3mm head. New screw length is M5x20mm long.

For rest of the Polyplastic window stay upgrade look here: https://www.facebook.com/groups/ekkoownersandwannabes/permalink/3599504770368857