WORX Spool Cap Cover for AC String Trimmer WG116, WG124, and WG183 in the String Trimmer Parts department at Lowes.com
HONEYSEW Spool Pin Cap R12373210B Spool Cap (Large) for Singer 3223 3232 3321 3323 4423 4432 8275 Sewing Machine (Spool Cap +Spool pin)
Serger Thread Spool Cap | Sewing Tools & Notions
Janome Special Spool Cap - 202233006
Brother X77260000 Thread Spool Cap - Brother
Singer Compatible Spool Cap R12373210B Fits Simple, Heavy Duty & More See Description - Walmart.com
Amazon.com: HONEYSEW 2pcs Spool Pin Cap R12373210B Spool Cap (Large) for Singer 3223 3232 3321 3323 4423 4432 8280 Sewing Machine (2pcs Spool Cap)
BLACK+DECKER Replacement Spool Cap Part for Single Line Automatic Feed Spool AFS for GH3000 Electric String Grass Trimmer/Lawn Edger RC-080-SF - The Home Depot
Spool Cap Small Holder That Fits Most Husqvarna Viking Sewing Machines -See List | eBay
2pcs Spool Pin Cap #r12373210b Spool Cap (large) Compatible With Singer Sewing Machine 3223 3232 3321 3323 4423 4432 8280 - Sewing Tools & Accessory - AliExpress
Janome Large Spool Cap | 822020503 - iShopTops.com