Bobbin Case Tension Spring, Bernina #317.006.33 Item # 317.006.33 Condition Brand New Product Type Non-Branded $7.99 - + Add To Wish List You will have to log in to add this item to your wish list. Free Shipping on USA Orders over $49 You May Also Like Bobbin Case, Bernina (Generic) #0015347200 $16.99 You May Also Like Customer Reviews for the Bobbin Case Tension Spring, Bernina #317.006.33