20 pk Singer Class 15 Clear Bobbins 006066008 Quantum 9960, Quantum LE, Quantum XL100, Quantum XL150, Quantum XL1000, Quantum XL3400, Quantum XL5000 and Quantum XL6000 3820, 3825, 6408, 6412, 6416, 6423, 6510, 6550, 7312, 7322, 7350, 7380, DSX, DSX II Fits Singer models 118, 132Q, 140Q, 237, 239, 1105, 1116, 1120, 1130, 1500, 2250, 2263, 2638, 2662, 3321, 3709, 3722, 3810