Fangrui Product Details Comprehensive Package: The Package Includes 10 Of Bobbins And 1 Shuttle Bobbin Case; With Our Sewing Bobbin Case And Bobbins Pack, You Will Have Plentiful Supplies For All Of Your Sewing Creations Quality Material: Crafted From Durable Iron And Steel, The Sewing Bobbins And Bobbin Case Offer Long-term Durability; Invest In Quality Sewing Machine Accessories That Ensure Smooth Performance For Every Stitching Project You Undertake Optimal Size: With Bobbins Measuring 33.2 Mm In Length And A Shuttle Bobbin Case At 48.8 Mm, They Are Designed To Provide The Great Fit For A Variety Of Sewing Machines; Experience Ease Of Disruption-free Sewing Compatibility: These Sewing Bobbins And Bobbin Case Are Compatible With Singer Models 27, 28, 127, 128; Elevate Your Sewing With Accessories That Enhance And Complement Your Beloved Machine Ideal For Multiple Projects: These Sewing Machine Accessories Are Versatile And Suitable For A Breadth Of Sewing Endeavors; Whether Youre Working On Quilting, Garment Repair, Or Diy Cr