All Categories
Set of 4 class 66 transparent plastic bobbins
Class 66 bobbins are compatible with many Singer models and other top drop-in bobbin sewing machines
Never add thread to a partially wound bobbin as it may be uneven and cause thread to tangle or break
Made of plastic for durability
Singer Class 66 Transparent Bobbins for use on Singer sewing machines models 66, 99, 101, 185, 192, 201, 247, 288, 327, 328, 329, 401, 403, 404, 413, 416, 418, 457, 476, 477, 478, 500, 717, 719, 814, 834, and series 6100, 6500 and 7100. Can also be used in other drop-in bobbin machines. Each package contains (4) high quality Transparent bobbins.