Features: Suitable for 4423, 4432, 4452, 5511, 5523, 5532 Heavy Duty, 5554, 6510, 6550, 7312,7322, 7350, 7360,7380, 8260L,8275, 8280, 8770, 9100, 9340,992DE, H74. Crafted from Plastic, these sewing machine parts are designed to withstand regular use while maintaining their functionality and appearance over time. The spool cap for sewing machines is designed to securely hold thread spools in place, preventing it from slipping or tangling during sewing. auxiliaries replacement spool cap and spool pin allows you to quickly replace or upgrade on your sewing machine. A spool cap is the piece that attaches to the spool pin, that holds the thread in place and helps the thread properly unwinds and not jump around while you're sewing. Specifications: Component: Plastic Size: as shown in the picture Package Includes: 4Pcs Spool Pin Cap Set note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.