High Quality Embroidery Bobbin Thread Plastic Bobbins. 3/8 inch deep. Security notch for consistent bobbin thread winding. 20 bobbins per pack. Main Features For Use With: CS8072, PC2800, PC3000, PC6000, PC6500, PC-7000, PC-7500, PC-8200, PC-8500, PC-8500D, PE-100, PE-150, PE150V, PE170D, PE-200, PE-300S, PS1000, PS1250, PS-2200, PS-2300, PS-2500, ULT-2001, ULT-2002D, ULT2003D