Cotton Wicks

These are non-synthetic all braided cotton oil wicks. They are cut to 1.5" as needed and the ends may come loose.  I recommend to twist them before you insert them or burn the ends to keep from fraying and for an easier installation.  
They can replace any cotton oil wick on all brand and model Industrial machines. Part number is often referred to as 20227.
Here are examples of machines they are
Guaranteed to fit but not limited too:
 Singer Sewing Machine Models:
107G201, 107G203, 107G235, 107G253, 107G300, 107G302, 107U, 107W1, 107W2, 107W3, 107W4, 107W5, 107W6, 107W7, 107W8, 107W9, 107W10, 107W11, 107W12, 107W13, 107W14, 107W15, 107W17, 107W35, 107W50, 107W100, 107W102, 108U20, 108U30, 108W2, 108W4, 108W5, 108W7, 108W20, 108W21, 111W103, 111W104, 111W115, 134W5, 134W6, 138W102, 145W103, 153W104, 196K, 61W2