This machine upper and lower creasing moulds both are made of 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 creasing moulds are changeable for creasing indents of different widths.