Cobblers knife, red handle
Cobbler's knife with red hardwood handle
Bookbinders, and those working with papers, use these for slicing paper, where they can be used as a sharp version paper knife ~ both to prise the fibres apart and to cut the fibres. The length of blade makes it easier to follow the line of a fold.
Postage is extra on this item. Kindly allow for a 250gm Large Letter.