The upper and lower creasing moulds of DC-12B are steel, which is very durable. The machine can crease clear lines on not only coated art paper, tough paper but also photocopy paper. The moulds don't need to be changed as often as rubber moulds which don't crease well on thick paper and hard paper. The machine has a small volume and is easy to operate and maintain, making itself as an ideal matching equipment in the binding process. It can crease indents for files, name cards, photos, invitations, etc. The moulds are changeable for creasing indents of different widths.