A sharp knife with pointed replaceable blades used for template and precision cutting.

A general-purpose knife used for cutting paper, card, thick veneers, sheet wood and string. Best to have one with a short, securely-fixed, easy-to-change blade.

A cutting tool with a sharp blade, useful in a variety of projects.

A replaceable blade used to cut straight edges and tight corners. It is ideally used with a self-healing mat.

looks like a small blade at the end of a pen. Very commonly used for cutting fiddly corners, letters etc.