GK420 GX420 44mm 40mm 38mm 36mm 25mm 1.5" 1". Choose 44mm->12mm, 40mm->12mm, 38mm->12mm, 36mm->12mm or 25mm->12mm. Suitable for any width rolls with a 44mm, 40mm, 38mm, 36mm or 25mm core. Compatible with any printer which has 12-12.75mm spindles/mountings.
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