Bobbin case PR series
Fits Babylock Embroidery Machine Models (since Brother makes these machines!):
BMP6, BMP8, BMP9, BMT6 Intrepid, BMV10 Valiant, BNAL Alliance, BND9, BND9-2, BNT10, BNT10L, EMP6
Fits Brother Embroidery Machine Models:
PR1000, PR1000E, PR600, PR600II, PR600C, PR600IIC, PR620, PR620C, PR650, PR650C, PR650E, PR670E Entrepreneur, PRS100 PR1050 PR1055