Frister Rossmann Standard Metal Bobbins - 5PK
Used on most of the older Frister Rossmann machines like the Cub Range etc
One of the most common bobbins used in older machines and most front loading / side loading bobbin machnes that use a metal class 15 bobbin
Never add thread to a partially wound bobbin. A bobbin filled this way is often uneven and may cause thread to tangle or break.
Do not use on drop in top loading bobbin machines