Single face corrugated cardboard rolls, also known as SFK. Various widths ex stock:
102mm, 2.7 kg
152mm, 4.2 kg
203mm, 5.4 kg
305mm, 8.2 kg
457mm, 12.2 kg
610mm, 16.3 kg
762mm, 20 kg
915mm, 22 kg
1220mm, 30 kg
1525mm, 35 kg
1830mm, 40 kg
All widths 70 metres per roll.