Class 66 Bobbins Pack of 10 for Singer Sewing Machines Model 66

Fits Singer models 66, 99, 185, 201, 240 and 250 series, 288, 327, 328, 329, 337, 338, 347, 348, 348,350 & 360 series, 401, 403, 404, 413, 416, 417,

Class 66 Metal Bobbins Fit Singer Models 401A, 403A, 404 500A, 503A (10 pack)

SINGER Sewing Gold Plated Class 66 Bobbins Platinum Collection 3 Count for sale online

Serial Number Revealed: How Old Is My Singer Sewing Machine? - Contrado Blog

Singer 66 Sewing Machine Bobbins

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Class 66 Bobbins - 10/Pack - Clear - WAWAK Sewing Supplies

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Class 66 Bobbins - 10/Pack - Clear - WAWAK Sewing Supplies

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Singer Class 66 Metal Bobbins