A utility knife (called also a box cutter or a razor blade knife) is a common tool used in various trades and crafts for a variety of purposes
A utility knife is an invaluable tool in the wood shop. Not only can this razor-sharp knife be used for cutting almost any thin material, but it can be used for things like cleaning out hinge mortises or scoring before making a cut with a power tool. Look for a model that has a retractable cutter and uses reversible, disposable razor blades.