A special tool for engraving rows of rivets on a model. It comes with four interchangeable engraving discs. Fine rows of rivets are simply part of many aircraft models. However, they can be ground out very quickly by a little carelessness during construction. With the rivet grinder you can easily regrind your own rivets. With the engraving discs included in the set, you can create rows of rivets with four different rivet spacings. This covers a large number of aircraft types and scales.