Pre-Wound Bobbins GS UK's exclusive pre wound bobbins save time, especially on multi-head machines, where the exact meterageand equal sizing of each bobbin allows all the bobbins to be changed at the same time. Pre-Wound Bobbins - White 144 bobbins x 110m     £ 20.95   These Bobbins are for machines with standard hooks Pre-Wound Bobbins - White 144 bobbins x 125m     £ 13.95   These Bobbins are for machines with standard hooks Pre-Wound Bobbins - White 144 bobbins x 230m     £ 22.95   These Bobbins are for machines with large capacity hooks Pre-Wound Bobbins - Black 144 bobbins x 110m     £ 25.15   These Bobbins are for machines with standard hooks http://www.gs-uk.com