This mini-set includes 3 new parts:

44301 - Hinge Plate  1 x  2 Locking with 1 Finger On End
44302 - Hinge Plate  1 x  2 Locking with 2 Fingers On End
44567 - Hinge Plate  1 x  2 Locking with 1 Finger On Side

m4024_1a is the alternative model.