This is a Overlock Overcast Presser foot for Bernina New Style Artista,Activa,Virtuosa,Aurora This consist of 3 very useful parts :a presser foot base+Snap-on Shank+Bernina adapter, you also can use these 3 parts on your other machines or changing to other purposes foot. For Bernina Artista, Activa Series 125, 130, 131, 135, 140 Activa, 145 Activa, 150QE Virtuosa, 153 Virtuosa, 160 Virtuosa, 163 Virtuosa, 165 Artista, 170 Artista, 175, 180 Artista, 180E, 185, 200 Artista, 200E, Activa 210, Activa 220, Activa 230, Activa 240, Activa, 430 Aurora, 440QE Aurora, 450 Aurora, 630E Artista, 635LE, 640E Artista, 730E, 730E Artista, 330, 350, 380 series , new 8 series 820QE, 830LE 100, 120, 130, 135, 140, 145, 150, 153, 155, 160, 163, 165, 170, 180, 185 & 190.