Wieland fasis end plates apfn 254616 bluegreengrey wieland 0731312550 this grey end plate apfn 1635 from wieland is for the wkfn 1635 fasis duo feed through terminal block and can easily be attached via the snap in feature the thickness of the end plate is 15mm wieland 0731312550 end plate for wkfn blocks apfn 1635 grey