Question

______ is a hard - pointed pen - shaped instrument used for making marks or scratches into or onto a surface.
______ is often a thin, flat piece of metal or stable material used in print making.

Explanation:

The definition describes a hard-pointed pen-shaped tool for scratching marks on surfaces, which matches the term "burin" (a tool used in printmaking and engraving for this exact purpose).

Answer:

Burin