The Standard Bobbin Lead (Irish Tension) S10 Bobbin. It fits all older model Bobbin Lead wheels.
Lacquer finished.
Capacity: 180-250 grams.
Ratios are:
- 1:5.5 (slow spinning/heavy yarns),
- 1:7.5 (medium yarns),
- 1:10.5(fast spinning/fine yarns)
Fits wheel models S10, S10DT, S51, S51DT, S15, S17 and S75DT.
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