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)
Amazon.com: Spool Pin Cap 2PC Set for most of Singer, and Some Europro, Husqvarna Viking, Juki Sewing Machine Models - 2 Different Sizes of Replacement Spool Cap (0.47 and 1.73 Inches) by Apartment ABC