Norvise Bobbin and Spool Organizer Tray – SvendDiesel.com
Taylor Seville 6" Spool and Bobbin Buddy Tray - 123Stitch
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Amazon.com: ArtBin 6901AB Cone Thread Tray, Sewing & Embroidery Serger Cone Thread Spool Assortment Organizer, Super Satchel System Accessory, Up To 25 Traditional Spools or Up To 50 Mini Spools, White