Fits Bernette Models: 20, 25, 65, 66, 80E, 82E, 90E, 92C, H70, London 7, London 8,Fits Europro Models: 9110, 9130, 6130A2, Fits Necchi Models: 4825, 4960, Fits Pfaff Models: 100S Smart, 200C Smart, Fits Singer Models: 3810, 3820, 3825, 50T8, 6038, 6510, 6550, 7312, 7322, 7350, 7360, 7380, Fits Viking / Husqvarna Models: C10, C20, Emerald 183, 203, Fits White Models: 3100 Alternative numbers 416148001, 502020.63.07, 502020.67.38, 502020.74.53, E1A2774432, E1A2824000