Amazon.com: SINGER | Heavy Duty Holiday Bundle - 4452 Heavy Duty Sewing Machine with Bonus Extension Table for Larger Projects, Packed with Specialty Accessories Gray
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Singer Compatible Bobbins Fits All Heavy Duty Models 4411, 4423, 4432, 5511, 5523 & More See Description - Etsy
Singer heavy duty (4452): the thread doesn't catch with the needle plate on. : r/sewhelp