Pre-wound bobbins

Marathon bobbins
The range of Marathon pre-wound bobbins is all available in size 'L'. The fine thread is 100% spun polyester. Each bobbin is 130 metres and there are 144 bobbins in a box. The range available in both white and black is as follows:

Sideless with core – 100% spun polyester bobbin with no sides, but with a nylon core.

Sided with core – 100% spun polyester bobbin with cardboard sides and a nylon core.

Sideless and no core – 100% spun polyester bobbin with no sides and no core.

Magnetic bobbins
These pre wound bobbins have a magnetic core, which guarantees perfect consistent underthread tension. Available in size 'L' in both white and black. Each bobbin is 135 yards and there are 144 bobbins in a box.