High quality Bobbins for your Singer Quantum  Machine. Made special for your electronic machine.  These bobbins are the best you can buy not cheaper after market Bobbins.Part # 283395.  You will receive 10 bobbins. They will fit the Quantum CXL, CXL1, XL1, XL10 and XL50. Order as many sets as you like for the same low S&H .. Item will ship First Class with Delivery Confirmation .Please e-mail any questions. Thanks