Stay one step ahead of your next project with the Juki Long Arm Bobbin Case (B1837201SA0). An essential part of your TL2200QVP & J350 machines, this bobbin case includes an anti-backlash circular leaf spring to prevent bobbin from turning when the machine and needle are stopped. Plus, it's an original equipment manufacturer bobbin case, so you can rest assured it will fit perfectly with your Juki machines!