Description: 【Universal Fit】: This Sewing Machine Spool Pin Cap is designed to fit sewing machines. It's an essential accessory for both beginners and seasoned sewers, ensuring smooth sewing operations 【Quality Material】: These spool pin cap is made from plastic, and bobbins are made from resin, designed to withstand constant use. Its sturdy construction ensures its longevity, providing you with a reliable accessory for all your sewing needs 【Easy Installation】: The Spool Cap is easy to install and fits securely on the spool pin. It effectively prevents the thread from jumping off, ensuring a seamless sewing experience 【Protective Design】: The cap serves as a protective for your spool pin, preventing potential damage to your thread and machine. It ensures that your thread glides smoothly while you focus on your sewing project 【Convenient Pack】: Package includes 3 spool pin caps, 50 bobbins, and 50 Lockstitch Industrial Sewing Machine pins. A convenient addition to your sewing kit Specification: Spool Cap suitable for SE1800 SE270D SE350 SE425 Size Chart: Spool Pin Caps Diameter: 4cm/1.57inch; 3cm/1.18inch; 2.5cm/0.98inch Bobbins Size: Inner diameter: 6mm / 0.23inch; Outer diameter: 21mm / 0.82inch; Height: 10mm / 0.39inch Sewing Machine pins Size: 9/65, 11/75, 14/90, 16/100, 18/110, Each 10pcs, total 50pcs Package Includes: 3 Spool Pin Caps 50 Bobbins 50 Lockstitch Industrial Sewing Machine pins Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!