DNSONS DS Air Pen: Precision Tool for Fossil PreparationDNSONS DS Air Pen: Precision Tool for Fossil Preparation The DNSONS DS PEN is a highly versatile air scribe tool, optimized for both roughing and finishing applications. It is engineered for demanding work on hard rocks and fossil matrices, capable of operating at air pressures between 2 to 4 bar. The DS PEN is equipped with a 3mm diameter tungsten stylus, making it an ideal choice for precise work on tough materials. Stylus Options Chisel Point