Steel Type Hand Holders with interchangeable characters that can be used to mark codes and writings that vary over time. The writings are composed by mounting the special GOMG punches held in place by our locking system. They can be used manually or installed on a press. They feature a comfortable handle with a large marking area. The Steel Type Hand Holders with Interchangeable Characters by GOMG is a great tool for making complete and clear markings on metal, wood, plastic, leather and many other materials.