★★★Exciting News★★★ ① 10% OFF for customers who purchase 2 or more items and have them shipped together!!! ② 10% OFF and a sewing machine part gift for customers who purchase 3 or more items!!! Please take advantage of this opportunity ♡♡♡ No comments needed! Immediate purchase is welcome! Brand new, unused! Free shipping! Professional sewing machine bobbin, industrial sewing machine, electric sewing machine bobbin, flat bed sewing machine, bobbin for single needle sewing machine (Grooved type) Material: Aluminum Quantity: 10 pieces Size: Actual image from the 4th image! Outer diameter: Approximately 21mm Hole: Approximately 6mm Height: Approximately 9mm Weight: Approximately 2g Notes Compatible with most manufacturers such as JUKI, Brother, Singer, Janome, and Baby Lock, but may not be compatible in some cases! Please check the size and purchase at your own discretion. We also have L-shaped rulers, iron rulers, household sewing machine 3-fold presser feet, large three-fold presser feet, bias binder presser feet, loop turners, roller presser feet, seam guides, magnets, bias tape makers, zipper presser feet, thread cutters, patchwork rulers, guided presser feet, edge seam sewing machine presser feet, fabric splice presser feet, disappearing pens, row markers, professional sewing machine Teflon presser feet, and more♪ ★Important Notes★ By purchasing, customers are deemed to have agreed to these terms. Returns are accepted, but only for defective products. Please contact us before giving a rating! Also, Returns for reasons other than defects (especially for sewing machine parts, if they do not fit your sewing machine, you will be responsible for the return shipping costs!) We will not be able to assist you if you have already given a rating, so please understand!