Check the listing for details. Foerster DEFECTOTEST-SYSTEM 2.891.30-0300 N-186. Condition: Used. Listed at 450.00 USD. The Foerster DEFECTOTEST-SYSTEM 2.891.30-0300 is a specialized inspection gauge designed for metalworking applications. This system is used to detect defects and irregularities in metal surfaces, ensuring high-quality results in CNC machining and manufacturing processes. With advanced technology and precision engineering, this inspection tool helps businesses improve their metalworking techniques and maintain strict quality standards. Eg